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Factor each completely.
x^(2)+x-12

Factor each completely.\newlinex2+x12 x^{2}+x-12

Full solution

Q. Factor each completely.\newlinex2+x12 x^{2}+x-12
  1. Identify Factors: To factor the trinomial x2+x12x^2 + x - 12, we need to find two numbers that multiply to 12-12 (the constant term) and add up to 11 (the coefficient of the xx term).
  2. List Factor Pairs: We list the pairs of factors of 12-12: (1,12)(-1, 12), (1,12)(1, -12), (2,6)(-2, 6), (2,6)(2, -6), (3,4)(-3, 4), and (3,4)(3, -4).
  3. Find Pair Sum: We look for a pair of factors that add up to 11. The pair (3,4)(3, -4) adds up to 1-1, and the pair (3,4)(-3, 4) adds up to 11, which is the coefficient of the xx term.
  4. Write as Binomials: We write the trinomial as a product of two binomials using the pair of factors we found: x2+x12=(x3)(x+4)x^2 + x - 12 = (x - 3)(x + 4).