What are the solutions to the equation completesquare y^2-4y ?

The solutions to the equation completesquare y^2-4y are (y-2)^2-4

Find the zeros of completesquare y^2-4y

The zeros of completesquare y^2-4y are (y-2)^2-4

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complete the square

y^{2} - 4 y

(y - 2)^{2} - 4

Solution steps

y^{2} - 4 y

Write

y^{2} - 4 y

in the form:

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

2 a = - 4 : a = - 2

Add and subtract

(- 2)^{2}

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

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

y^{2} - 4 y + (- 2)^{2} = (y - 2)^{2}

(y - 2)^{2} - (- 2)^{2}

Simplify

(y - 2)^{2} - 4

r, s = 2 π r^{2} + 2 π r h

a^{2} = 50

x^{2} - 6 x + 8 = 0

x^{2} = 4^{2} + 3^{2}

x^{2} - 6 x + 27 = 0

What are the solutions to the equation completesquare y^2-4y ?
The solutions to the equation completesquare y^2-4y are (y-2)^2-4
Find the zeros of completesquare y^2-4y
The zeros of completesquare y^2-4y are (y-2)^2-4