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17x^{2}=10625
Multiply x and x to get x^{2}.
x^{2}=\frac{10625}{17}
Divide both sides by 17.
x^{2}=625
Divide 10625 by 17 to get 625.
x=25 x=-25
Take the square root of both sides of the equation.
17x^{2}=10625
Multiply x and x to get x^{2}.
17x^{2}-10625=0
Subtract 10625 from both sides.
x=\frac{0±\sqrt{0^{2}-4\times 17\left(-10625\right)}}{2\times 17}
This equation is in standard form: ax^{2}+bx+c=0. Substitute 17 for a, 0 for b, and -10625 for c in the quadratic formula, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{0±\sqrt{-4\times 17\left(-10625\right)}}{2\times 17}
Square 0.
x=\frac{0±\sqrt{-68\left(-10625\right)}}{2\times 17}
Multiply -4 times 17.
x=\frac{0±\sqrt{722500}}{2\times 17}
Multiply -68 times -10625.
x=\frac{0±850}{2\times 17}
Take the square root of 722500.
x=\frac{0±850}{34}
Multiply 2 times 17.
x=25
Now solve the equation x=\frac{0±850}{34} when ± is plus. Divide 850 by 34.
x=-25
Now solve the equation x=\frac{0±850}{34} when ± is minus. Divide -850 by 34.
x=25 x=-25
The equation is now solved.