Combine all like terms to simplify the expression. 12x +5-4x+2x2
a.) 8x2 +5
b.) 10x +5
c.) 2x2 + 8x +5
d.) 17 - 4x

12x + 5 - 4x + 2x² =

= 2x² + 12x - 4x + 5 = 2x² + 8x + 5

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

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