What are the solutions to the equation completesquare x^2+8x-2 ?

The solutions to the equation completesquare x^2+8x-2 are (x+4)^2-18

Find the zeros of completesquare x^2+8x-2

The zeros of completesquare x^2+8x-2 are (x+4)^2-18

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complete the square

x^{2} + 8 x - 2

(x + 4)^{2} - 18

Solution steps

x^{2} + 8 x - 2

Write

x^{2} + 8 x - 2

in the form:

x^{2} + 2 a x + a^{2}

2 a = 8 : a = 4

Add and subtract

4^{2}

x^{2} + 8 x - 2 + 4^{2} - 4^{2}

x^{2} + 2 a x + a^{2} = (x + a)^{2}

x^{2} + 8 x + 4^{2} = (x + 4)^{2}

(x + 4)^{2} - 2 - 4^{2}

Simplify

(x + 4)^{2} - 18

m^{2} + m - \frac{5}{16} = 0

\frac{\frac{( 16 xx )}{2}}{3} = \frac{7}{16000}

x, y (x^{2} + 2 x + 1) + 2 x^{2} + 4 x = (x + 2)^{2}

m^{2} - 14 m - 20 = 0

(3 - 2 x)^{2} - 4 (6 - x) + 3 x = - 9

What are the solutions to the equation completesquare x^2+8x-2 ?
The solutions to the equation completesquare x^2+8x-2 are (x+4)^2-18
Find the zeros of completesquare x^2+8x-2
The zeros of completesquare x^2+8x-2 are (x+4)^2-18