What are the solutions to the equation 5(x+2)^2-8=72 ?

The solutions to the equation 5(x+2)^2-8=72 are x=2,x=-6

Find the zeros of 5(x+2)^2-8=72

The zeros of 5(x+2)^2-8=72 are x=2,x=-6

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5 (x + 2)^{2} - 8 = 72

x = 2, x = - 6

Solution steps

5 (x + 2)^{2} - 8 = 72

Move

8

to the right side

5 (x + 2)^{2} = 80

Divide both sides by

5

(x + 2)^{2} = 16

For

(g (x))^{2} = f (a)

the solutions are

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

Solve

x + 2 = 16 : x = 2

Solve

x + 2 = - 16 : x = - 6

The solutions to the quadratic equation are:

x = 2, x = - 6

0 = 2 x^{2} - 3

- 4 y^{2} - 9 y - 3 = 0

x^{2} + 15 x = x + 98

x^{2} + 3 x + 5 = 0

x^{2} - 11 x - 42 = 0

What are the solutions to the equation 5(x+2)^2-8=72 ?
The solutions to the equation 5(x+2)^2-8=72 are x=2,x=-6
Find the zeros of 5(x+2)^2-8=72
The zeros of 5(x+2)^2-8=72 are x=2,x=-6