x^2-15x+14=0
Delta = (-15)^2-4*1*14 = 169 = 13^2
so x=(15-13)/2=1 or x=(15+13)/2=14
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x[x+1] squared Simplified is, to my knowledge, x squared plus ( x + 1) squared
x^2+x^2=2x^2
I believe this is one: [(X,... X+1,... X+2,... X+3,...) squared] +1 Where X is any natural number. (X) squared + 1 (X + 1) squared + 1 (X + 2) squared + 1 (X + 3) squared + 1...
If you mean -(x^2) * x then the answer is -x^3 if you mean (-x)^2 * x then the answer is x^3
Your expression is this... x2 + y2/x