Question

Find 5+2x please please please

Answer 1

5+2x=0

2x=-5

X=-5/2

(-5/2)cube +3(-5/2)square +3(-5/2)+1

-125/8+3(25/4)-15/2+1

-125/8+75/4-15/2+1

-125+150-60+8/8

158-185/8

-27/8

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