if the length of the rectangle is x2 + 5x + 3 and breadth is 9x + 3, find the area of a rectangle
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Area of rectangle = Length x Breadth
Length = x²+ 5x + 3
Breadth = 9x + 3
Area of rectangle
= Length x Breadth
= (x² + 5x + 3)(9x + 3)
= 9x(x² + 5x + 3) + 3(x² + 5x + 3)
= 9x³ + 45x² + 27x + 3x² + 15x + 9
= 9x³ + 48x² + 42x + 9
Hope it helps :)
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