Pre Calc

ln (x^2 +x-12)=3ln2

asked by Meredith
  1. ln (x^2 +x-12)=3ln2
    ln (x^2 +x-12)=ln2^3
    ln (x^2 +x-12)=ln8
    x^2+x-12=8
    x^2+x-20=0
    Factor or use the quadratic formula to solve for x.

    posted by MathMate

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