SOLUTION: find the value of the polynomial-x^2-10x+6 when x=2 can you please check this for me? -x^2-10+6 -(-2^2)-10(-2)+6 4+20-6=22

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Question 75555: find the value of the polynomial-x^2-10x+6 when x=2
can you please check this for me?
-x^2-10+6
-(-2^2)-10(-2)+6
4+20-6=22
Answer by Alwayscheerful(414)   (Show Source): You can put this solution on YOUR website!
Plug 2 everywhere you see "x"

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


YOUR ANSWER


  • Graphical form: simplifies to
  • Text form: -(2)^2-10*(2)+6 simplifies to -18
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( -(2)^2-10*(2)+6 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Remove unneeded parentheses around factor highlight_red%28+2+%29
It becomes .
Look at .
Replace constants in factor: highlight_red%28+%282%29+%29,highlight_red%28+2+%29 with highlight_green%28+4+%29
It becomes .
Look at .
Multiplied numerator integers
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Removed extra sign in front of -18
It becomes .
Result:

Universal Simplifier and Solver


Done!

Your answer was close, but what you did wrong was you plugged in -2 in for x in the first term, while x is 2.
Hope this helps!
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