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Mathematics 13 Online
OpenStudy (ashking1):

What is the value of the coefficient "b" when the quadratic equation y = (3x - 5)(2x + 3) is written in standard form? 19 6 -15 -1

OpenStudy (btaylor):

Use FOIL : \[(3x-5)(2x+3) = 6x^2 +9x-10x-15 = 6x^2 - x-15\] Or use the box method: |dw:1339699329146:dw| Either way, you get the same answer. b = -1

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