What are the solutions to the equation -63=-2y^2+9 ?

The solutions to the equation -63=-2y^2+9 are y=6,y=-6

Find the zeros of -63=-2y^2+9

The zeros of -63=-2y^2+9 are y=6,y=-6

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- 63 = - 2 y^{2} + 9

y = 6, y = - 6

Solution steps

- 63 = - 2 y^{2} + 9

Switch sides

- 2 y^{2} + 9 = - 63

Move

9

to the right side

- 2 y^{2} = - 72

Divide both sides by

- 2

y^{2} = 36

For

x^{2} = f (a)

the solutions are

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

y = 36, y = - 36

36 = 6

- 36 = - 6

y = 6, y = - 6

x, 16 x^{2} - 24 x y + 9 y^{2} - 60 x - 80 y + 100 = 0

(x + 1) (x + 2) - (x - 3) (+ 4) = 6

x^{2} + x + 1 = 7

n (25 - x^{2}) = 84

9 x^{2} - 2 x + 25 = 8 x^{2} + 8 x

What are the solutions to the equation -63=-2y^2+9 ?
The solutions to the equation -63=-2y^2+9 are y=6,y=-6
Find the zeros of -63=-2y^2+9
The zeros of -63=-2y^2+9 are y=6,y=-6