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how do you factor this trinomial. x squared +8x+12. please show work :)
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Result is 96
Input is 8 and 12 and than multiply them both.
\[x^2+8x+12\]To factor this, you are looking for two numbers that multiply to give you 12 and add to give you 8.
Recall, this trinomial is the result of 2 binomials being FOILed together. ( )( )
To get the first term x^2, you have to have your first terms as "x" and "x", so we now know: (x )(x )
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Because all the terms are positive, we know both signs are positive - so now we recognize: (x+ )(x+ )
Then, the numbers that multiply to 12 and add to 8 are "2" and "6", so those are the numbers that go last. (x+2)(x+6)
thanks bro
Any time!!
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