What are the solutions to the equation 400=4(x)*x ?

The solutions to the equation 400=4(x)*x are x=10,x=-10

Find the zeros of 400=4(x)*x

The zeros of 400=4(x)*x are x=10,x=-10

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400 = 4 (x) \cdot x

x = 10, x = - 10

Solution steps

400 = 4 (x) x

Switch sides

4 (x) x = 400

Simplify

4 x^{2} = 400

Divide both sides by

4

\frac{4 x ^{2}}{4} = \frac{400}{4}

x^{2} = 100

For

x^{2} = f (a)

the solutions are

x = f (a), - f (a)

x = 100, x = - 100

100 = 10

- 100 = - 10

x = 10, x = - 10

x^{2} - 5 x + 8 = 2

- 5 x^{2} + 8 x - 2 = 0

\frac{2 x ^{2} + x}{11} = 2 x + 1

x, y = - 0.039 x^{2} - 0.008 x + 1.3716

10 - x^{2} = 0

What are the solutions to the equation 400=4(x)*x ?
The solutions to the equation 400=4(x)*x are x=10,x=-10
Find the zeros of 400=4(x)*x
The zeros of 400=4(x)*x are x=10,x=-10