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Mathematics 17 Online
OpenStudy (anonymous):

y=-x^2+8x-12 find x intercepts

OpenStudy (katrinakaif):

What goes into positive 12 and adds into 8? First step of factoring this.

OpenStudy (katrinakaif):

Use the quadratic formula if your having some trouble =)

OpenStudy (anonymous):

0 = x^2+8x-12 Using the quadratic formula, you'll get -4±2√7

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