shackelfordjavo shackelfordjavo

01-08-2018
Mathematics

contestada

what is the area of a rectangle if the length is (7x-4) inches and the width is (10x+5)?

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Kristiania Kristiania

02-08-2018

Area =L*W

L=7x-4

W=10x+5

Area = (7x-4)(10x+5)

Using foil method

Area = 70x² +35x -40x-20

Area =70x²-5x-20

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