SOLUTION: Evaluate 5 times 4 divided by 2 - 4^2

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Question 38468: Evaluate
5 times 4 divided by 2 - 4^2

Answer by Alwayscheerful(414) About Me  (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: %285%2A4%29%2F%282-4%5E2%29 simplifies to -1.42857142857143
  • Text form: (5*4)/(2-4^2) simplifies to -1.42857142857143
  • Cartoon (animation) form: simplify_cartoon%28+%285%2A4%29%2F%282-4%5E2%29+%29
    For tutors: simplify_cartoon( (5*4)/(2-4^2) )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION


Look at highlight_red%28+%28highlight_red%28+5%2A4+%29%29%2F%282-4%5E2%29+%29.
Remove unneeded parentheses around factor highlight_red%28+5+%29,highlight_red%28+4+%29
It becomes highlight_green%28+5+%29%2Ahighlight_green%28+4+%29%2F%282-4%5E2%29.

Look at highlight_red%28+5+%29%2Ahighlight_red%28+4+%29%2F%282-4%5E2%29.
Multiplied numerator integers
It becomes highlight_green%28+20+%29%2F%282-4%5E2%29.

Look at highlight_red%28+20%2F%282-4%5E2%29+%29.
Removed extra sign in front of -1.42857142857143
It becomes -highlight_green%28+1.42857142857143+%29.
Result: -1.42857142857143

Universal Simplifier and Solver


Done!

In fraction form, it is 10%2F-7
Hope this helps!