Question

find the area of rectangle whose dimensions are (7x +2) units and (15x-9)
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Answer 1

Answer:

135x - 81 units

Step-by-step explanation:

Steps are in photo.

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Answer 2

Answer:

Area of rectangle = length x breadth

Given

Length = 7x + 2

Breadth = 15x-9

Therefore area = (7x+2)(15x-9)

= 7x(15x-9)+2(15x-9)

= 105x²-63x+30x-18

= 105x²-33x-18 sq.units..

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