JacobD111
JacobD111
23-03-2018
Mathematics
contestada
What is 3x^2-10x+7 factored using ax^2+bx+c?
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Catya
Catya
23-03-2018
split -10x = -3x - 7x
3x^2 - 3x - 7x + 7
group terms factor gcf
(3x^2 - 3x) + (-7x +7)
3x(x - 1) - 7(x - 1)
since parenthesis are same (x -1) combine outside factors
= (3x - 7)(x - 1)
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