Question

find the area of a rectangle if the length is x + 7 and width is 2x + 3​

Answer 1

Answer:

l=x+7

b= 2x+3

area= l×b

= (x+7)(2x+3)

= 2x²+3x+14x+21

=2x²+17x+21

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Answer 2

Answer:

The area of rectangle= length × width

$(x + 7) \times (2x + 3) \\ = 2 {x}^{2} + 3x + 14x + 21 \\ = 2 {x}^{2} + 17x + 21$

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