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Solve This Using the Quadratic Formula :x^2+3x-12=6
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3 votes
Solve This Using the Quadratic Formula :x^2+3x-12=6

User Neil Galiaskarov
by
3.7k points

1 Answer

4 votes

Answer:

X=3 or -6

Explanation

Cross multiplication

化成下图所示就可解出


x_(1) =3 \\x_(2) =-6

Solve This Using the Quadratic Formula :x^2+3x-12=6-example-1
User Joel Marcey
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