Question 89904
{{{x^2-6x-16=0}}}
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Plus = P
Multiplication = M
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Every quadract equation is = x^2-Px+M=0
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{{{P =-b/a }}} and {{{M = c/a}}}
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{{{x^2-6x-16=0}}} <p></p>{{{a=1}}}, {{{b=-6}}} and {{{c=-16}}}<p></p>
{{{P=-(-6)/1}}} --> {{{P=6}}} and {{{M=-16/1}}}-->{{{M=-16}}}
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{{{x^2-Px+M=0}}} is {{{x^2-(6)x+(-16)=0}}}
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What numbers have the {{{plus=6}}} and {{{multiplication=-16}}} ?
Answer: {{{-2}}} and {{{8}}}
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The factor of {{{x^2-6x-16=0}}} is {{{highlight((x-8)(x+2)=0)}}}

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**See this lesson video:
<a href="http://www.algebra.com/algebra/homework/Polynomials-and-rational-expressions/video-factoring-polynomials.lesson">
Link Video Polynomials-and-rational-expressions</a> 

Cheers.