What are the solutions to the equation (2x^2)/5 =90 ?

The solutions to the equation (2x^2)/5 =90 are x=15,x=-15

Find the zeros of (2x^2)/5 =90

The zeros of (2x^2)/5 =90 are x=15,x=-15

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\frac{2 x ^{2}}{5} = 90

x = 15, x = - 15

Solution steps

\frac{2 x ^{2}}{5} = 90

Multiply both sides by

5

2 x^{2} = 450

Divide both sides by

2

x^{2} = 225

For

x^{2} = f (a)

the solutions are

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

x = 225, x = - 225

225 = 15

- 225 = - 15

x = 15, x = - 15

6 x^{2} + 31 x + 18 = 0

25 = x^{2} + (x + 1)^{2}

9 x^{2} + 5 = 6

- 2 x^{2} - 7 x + 13 = 0

x^{2} = 11664

What are the solutions to the equation (2x^2)/5 =90 ?
The solutions to the equation (2x^2)/5 =90 are x=15,x=-15
Find the zeros of (2x^2)/5 =90
The zeros of (2x^2)/5 =90 are x=15,x=-15