SOLUTION: Add: (4x^3-3x+9)+(-2x^2-4)+(8x+3x^3) Subtract: (7x^2-3x+1)-(9x^2-7x-3) I need help ASAP please and thank you so much!

Algebra.Com
Question 631768: Add:
(4x^3-3x+9)+(-2x^2-4)+(8x+3x^3)

Subtract:
(7x^2-3x+1)-(9x^2-7x-3)

I need help ASAP please and thank you so much!
Answer by 55305(86)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • Graphical form: simplifies to
  • Text form: (4x^3-3x+9)+(-2x^2-4)+(8x+3x^3) simplifies to 7*x^3+5*x-2*x^2+5
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( (4x^3-3x+9)+(-2x^2-4)+(8x+3x^3) )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Remove unneeded parentheses around terms highlight_red%28+4%2Ax%5E3+%29,highlight_red%28+-3%2Ax+%29,highlight_red%28+9+%29
It becomes .
Look at .
Remove unneeded parentheses around terms highlight_red%28+-2%2Ax%5E2+%29,highlight_red%28+-4+%29
It becomes .
Look at .
Remove unneeded parentheses around terms highlight_red%28+8%2Ax+%29,highlight_red%28+3%2Ax%5E3+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Moved 5 to the right of expression
It becomes .
Look at .
Eliminated similar terms highlight_red%28+4%2Ax%5E3+%29,highlight_red%28+3%2Ax%5E3+%29 replacing them with highlight_green%28+%284%2B3%29%2Ax%5E3+%29
It becomes .
Look at .
Eliminated similar terms highlight_red%28+-3%2Ax+%29,highlight_red%28+8%2Ax+%29 replacing them with highlight_green%28+%28-3%2B8%29%2Ax+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+7+%29
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+5+%29
It becomes .
Result:

Universal Simplifier and Solver


Done!

Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • Graphical form: simplifies to
  • Text form: (7x^2-3x+1)-(9x^2-7x-3) simplifies to -2*x^2+4*x+4
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( (7x^2-3x+1)-(9x^2-7x-3) )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Remove unneeded parentheses around terms highlight_red%28+7%2Ax%5E2+%29,highlight_red%28+-3%2Ax+%29,highlight_red%28+1+%29
It becomes .
Look at .
Remove unneeded parentheses around terms highlight_red%28+-9%2Ax%5E2+%29,highlight_red%28+7%2Ax+%29,highlight_red%28+3+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Moved 4 to the right of expression
It becomes .
Look at .
Eliminated similar terms highlight_red%28+7%2Ax%5E2+%29,highlight_red%28+-9%2Ax%5E2+%29 replacing them with highlight_green%28+%287-9%29%2Ax%5E2+%29
It becomes .
Look at .
Eliminated similar terms highlight_red%28+-3%2Ax+%29,highlight_red%28+7%2Ax+%29 replacing them with highlight_green%28+%28-3%2B7%29%2Ax+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Removed extra sign in front of -2
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+2+%29
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+4+%29
It becomes .
Result:

Universal Simplifier and Solver


Done!
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