the area of rectangle is x ki power 2 +7x+12. if its breadth is (x+3) , then find its length
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Answer:
L = x + 4
Step-by-step explanation:
Area of a rectangle = x² + 7x + 12
=> L(x + 3) = x² + 4x + 3x + 12
=> L(x + 3) = x(x + 4) + 3(x + 4)
=> L = {(x + 4) (x + 3)} ÷ (x + 3)
=> L = x + 4
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