Evaluate 4(3x) - 8- x2 for the following values of x. a. X =3 b. X = -3

asked Jun 14, 2021 146k views

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Evaluate 4(3x) - 8- x2 for the following values of x.
a. X =3
b. X = -3

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4 votes

A = 22
4(3x)-8-x2 = 4(3x3)-8-3x2= 22
B= -38
4(3x)-8-x2 = 4(3x-3)-8-(-3x2)=-38

Jika answered Jun 16, 2021

by Jika

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1 vote

Answer:

a. 19 b. -53

Explanation:

I did it mentally, but you plug those x values into the equation.

Darsh answered Jun 20, 2021

by Darsh

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