Factorise x²−7x+12 using two negative constants.
A(x−3)(x+4)
B(x−3)(x−4)
C(x+3)(x+4)
D(x−2)(x−6)
Answer & Solution
Correct answer: B. (x−3)(x−4)
The constants −3 and −4 multiply to 12 and add to −7.
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