SOLUTION: x(7-x)+5 when x=-2

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Question 878963: x(7-x)+5 when x=-2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Replace EVERY copy of x with -2 and evaluate

x(7-x)+5

(-2)(7-(-2))+5

(-2)(7+2)+5

(-2)(9)+5

-18+5

-13

This means x(7-x)+5 = -13 when x = -2