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OpenStudy (anonymous):
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
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hero (hero):
Hint: Multiply (3x-5)(2x+3)
OpenStudy (anonymous):
i did but i got b=-9
hero (hero):
Well double check your work
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
i got the same answer
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hero (hero):
y= (3x-5)(2x+3) = 2x(3x-5) + 3(3x-5) = 2x^2 - 10x + 9x - 15 = 2x^2 - x - 15
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