Flash1252 Flash1252

06-11-2018
Mathematics

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What’s the area of a square the side is 7x-3

Whats the area of a square the side is 7x3 class=

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HugoYates HugoYates

13-11-2018

Area of a square = Side × Side

Side = 7x-3

Area of the square = (7x-3) × (7x-3)

= 7x(7x-3) -3(7x-3)

= 49x^2 -21x -21x +9

=49x^2 -42x +9

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