Factories the Following pollynomial =(x2-X)2-7+x2-x)+12
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x^2 + 7x + 12 (SPLIT THE MIDDLE TERM)
x^2 + 3x + 4x + 12 (TAKE THE TERMS OUT IN COMMON)
x(x+3)+4(x+3)
(x+3) (x+4)
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