30-04-2019
Mathematics

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Which expression represents the area of the rectangle
(2x+7)(4x+5)?

Which expression represents the area of the rectangle 2x74x5 class=

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averygameknowsb averygameknowsb

30-04-2019

So we'll do FOIL (first, outer, inner, last)

The equation is (4x+5)(2x+7)

First, 4x·2x=8x²

Outer, 4x·7=28x

Inner, 5·2x=10x

Last, 5·7=35

Add like terms and you get:

8x²+38x+35

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