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9541x^{2}\times 90\times 50\times 3=4128
Multiply x and x to get x^{2}.
858690x^{2}\times 50\times 3=4128
Multiply 9541 and 90 to get 858690.
42934500x^{2}\times 3=4128
Multiply 858690 and 50 to get 42934500.
128803500x^{2}=4128
Multiply 42934500 and 3 to get 128803500.
x^{2}=\frac{4128}{128803500}
Divide both sides by 128803500.
x^{2}=\frac{344}{10733625}
Reduce the fraction \frac{4128}{128803500} to lowest terms by extracting and canceling out 12.
x=\frac{2\sqrt{4102630}}{715575} x=-\frac{2\sqrt{4102630}}{715575}
Take the square root of both sides of the equation.
9541x^{2}\times 90\times 50\times 3=4128
Multiply x and x to get x^{2}.
858690x^{2}\times 50\times 3=4128
Multiply 9541 and 90 to get 858690.
42934500x^{2}\times 3=4128
Multiply 858690 and 50 to get 42934500.
128803500x^{2}=4128
Multiply 42934500 and 3 to get 128803500.
128803500x^{2}-4128=0
Subtract 4128 from both sides.
x=\frac{0±\sqrt{0^{2}-4\times 128803500\left(-4128\right)}}{2\times 128803500}
This equation is in standard form: ax^{2}+bx+c=0. Substitute 128803500 for a, 0 for b, and -4128 for c in the quadratic formula, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{0±\sqrt{-4\times 128803500\left(-4128\right)}}{2\times 128803500}
Square 0.
x=\frac{0±\sqrt{-515214000\left(-4128\right)}}{2\times 128803500}
Multiply -4 times 128803500.
x=\frac{0±\sqrt{2126803392000}}{2\times 128803500}
Multiply -515214000 times -4128.
x=\frac{0±720\sqrt{4102630}}{2\times 128803500}
Take the square root of 2126803392000.
x=\frac{0±720\sqrt{4102630}}{257607000}
Multiply 2 times 128803500.
x=\frac{2\sqrt{4102630}}{715575}
Now solve the equation x=\frac{0±720\sqrt{4102630}}{257607000} when ± is plus.
x=-\frac{2\sqrt{4102630}}{715575}
Now solve the equation x=\frac{0±720\sqrt{4102630}}{257607000} when ± is minus.
x=\frac{2\sqrt{4102630}}{715575} x=-\frac{2\sqrt{4102630}}{715575}
The equation is now solved.