Determine the area of the red triangular region. 4x+2 M x 2x-2 $

JosephHall asked Aug 2, 2022

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42 votes

Determine the area of the red triangular region.
4x+2
M
x
2x-2
$

JosephHall asked Aug 2, 2022

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30 votes

The area of the triangle. (WHOLE)

(4x+2)(2x-2)=8x^(2) -4x-4

The area of the gray square.

(x)(x+1)=x^(2) +x

Subtract.

$(8x^(2) -4x-4)-(x^(2) +x)\\=7x^(2) -3x-4$

Hope this helped.

Vic answered Aug 9, 2022

by Vic

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