Question

The area of a rectangle is x² + 7x + 12. If its breadth is (x + 3), then find its length.
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Answer 1

Answer:

The area of a rectangle is x² + 7x + 12.

area of the rectangle = length x breadth

x² + 7x + 12. = length x (x+3)

x² + 3x +4x +12 = length x (x+3)

x(x+3) +4(x+3) = length x (x+3)

(x+4)(x+3) = length x (x+3)

length = (x+4)(x+3)/(x+3)

length = x+4

hope this will help you

Answer 2

Answer:

(x+4) is the correct answer.

Step-by-step explanation:

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