it is not an equation (there no equality in it!)
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Divide both sides of the equation by x: x2 = 9x x2 / x = 9x / x x = 9
X2 = k Take square root each side. X = (+/-) sqrt(k) ============
x2 - 8x + 32 = 0 (assuming)you can factor or use the quadratic equation.I recommend the quadratic equation.
x2+3x+2=0 (x+2)(x+1)=0 x=-2 or -1
11