find the area of a triangle with base (2x+3) and height (3x-1)
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A = 1/2 * b * h
A = 1/2 * (2x+3) * (3x-1)
= 1/2 * (6x^2) - 2x + 9x - 3
= 1/2 * (6x^2) + 7x - 3
= (3x^2) + 3.5x - 1.5
hope it will help you
diya4816:
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