Solve 9x^2 + 12x – 24 = 0 using the quadratic formula.

1 answer:

8 0

Quadratic formula = (-b +- sqrt(b^2 - (4ac))) / 2a

$\frac{ -12 + \sqrt{(12)^2 -((4)(9)(-24))}}{2(9)}$

and

$\frac{ -12 - \sqrt{(12)^2 -((4)(9)(-24))}}{2(9)}$

then simplify and solve

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