Question

What is the value of the expression when a = –4 and b = 5? (a+2b)^3 + 3a^2
A.168
B.264
C.-348
D.-952

Answer 1

just plug in values of a and b

Answer 2

Just substitute the given value into the equation

Answer 3

it is B

Answer 4

just subsitute so you have

\[(-4 + 2 \times 5)^3 + 3 \times (-4)^2\]

input it into a calculator that way to get the answer

Answer 5

@imrandomdontworry there ya go

Answer 6

@campbell_st thank you!

Answer 7

glad to help