99th Problem 2016

Algebra Level 1

Solve over the quadratic equation:

9 x 2 − 324 = 0. 9x^2- 324 = 0 .

Check out the set: 2016 Problems .
x = − 6 only x=-6 \text{ only} x = ± 6 x=\pm 6 x = 6 only x=6 \text{ only}

Angela Fajardo by Angela Fajardo , 19, Philippines

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1 solution

Ashish Menon
Apr 22, 2016

9 x 2 = 324 x 2 = 324 9 x 2 = 36 x = ± 6 9x^2 = 324\\ x^2 = \dfrac{324}{9}\\ x^2 = 36\\ x = \pm 6

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