What are the solutions to the equation x^2-21=100 ?

The solutions to the equation x^2-21=100 are x=11,x=-11

Find the zeros of x^2-21=100

The zeros of x^2-21=100 are x=11,x=-11

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x^{2} - 21 = 100

x = 11, x = - 11

Solution steps

x^{2} - 21 = 100

Move

21

to the right side

x^{2} = 121

For

x^{2} = f (a)

the solutions are

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

x = 121, x = - 121

121 = 11

- 121 = - 11

x = 11, x = - 11

2 x^{2} - 3 = 5

(x + 3) (x + 3) = 0

x^{2} + x + 2 = 4

x (22 - x) = 112

\frac{2}{3} x^{2} - 10 = - 28

What are the solutions to the equation x^2-21=100 ?
The solutions to the equation x^2-21=100 are x=11,x=-11
Find the zeros of x^2-21=100
The zeros of x^2-21=100 are x=11,x=-11