Question

A rectangle is (8x + 5) cm long and (5x+3) cm broad. Find its area.

Answer 1

Answer:

Length = 8x+5

Breadth = 5x+3

Area = Length × Breadth

=> (8x+5)(5x+3)

=> 40x^2+24x+25x+15

=> (40x^2+49x+15) cm^2

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Answer 2

Answer:

Step-by-step explanation:

length=(8x+5)cm

breadth=(5x+3)cm

area=length*breadth

=(8x+5)(5x+3)

[by distributive multiplication]

=8x(5x+3)+5(5x+3)

=40x²+24x+25x²+15

=65x²+24x+15