multiply and simplify x^2+x-12/x-3 * x^2-2x-3/x^2+5x+4 i need a walk through it and i will award medal and fan if you are not already fanned by me
\[x^2+x-12/x-3 * x^2-2x-3/x^2+5x+4\]
\[\frac{ x^2+x-12 }{ x-3 } * \frac{ x^2-2x-3 }{x^2+5x+4} \]
Hi Kateiey...you need to factor the plynomials before you can simplify... x^2+x-12 factors to (x +4) ( x-3).....use foil to verify
ok
what now?
factor x^2-2x-3...in the same manner (x )(x )...the second sign tells you that there are different signs as it is minus..the first tells you that the larger number will be negative
i dont get how show me?
you need to find 2 numbers that multiply to the last number and add up to the second number.....what are the factors of -3?
1 and 3
1 and -3 ?so those numbers plug into the parenthesis....(x +1)(x-3)......then factor the denominator...x^2 +5x+4..once you have evrything factored you can cancel out like terms
ok can you show
i need help dianes was wrong
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