X square plus 6x plus 4 = 0

X square plus 6x plus 4 = 0


x^2+6x+4=0
x^2+6x+9=-4+9
(x+3)^2=5
X + 3 = radical 5 or x + 3 = - radical 5
Ψ x = - 3 ± root 5



The square of X - 6x = 0


The square of X - 6x = 0
x(x-6)=0
x1=0 x2=6



Square of X + 6x-7 = 0


Square of X + 6x-7 = 0
(x+7)(x-1)=0;
x1=-7,x2=1;
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