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x=\left(x^{2}-xa\right)\left(x-b\right)
Use the distributive property to multiply x by x-a.
x=x^{3}-x^{2}b-ax^{2}+axb
Use the distributive property to multiply x^{2}-xa by x-b.
x^{3}-x^{2}b-ax^{2}+axb=x
Swap sides so that all variable terms are on the left hand side.
-x^{2}b-ax^{2}+axb=x-x^{3}
Subtract x^{3} from both sides.
-ax^{2}+axb=x-x^{3}+x^{2}b
Add x^{2}b to both sides.
\left(-x^{2}+xb\right)a=x-x^{3}+x^{2}b
Combine all terms containing a.
\left(bx-x^{2}\right)a=x+bx^{2}-x^{3}
The equation is in standard form.
\frac{\left(bx-x^{2}\right)a}{bx-x^{2}}=\frac{x\left(1+bx-x^{2}\right)}{bx-x^{2}}
Divide both sides by -x^{2}+xb.
a=\frac{x\left(1+bx-x^{2}\right)}{bx-x^{2}}
Dividing by -x^{2}+xb undoes the multiplication by -x^{2}+xb.
a=\frac{1+bx-x^{2}}{b-x}
Divide x\left(1-x^{2}+xb\right) by -x^{2}+xb.
x=\left(x^{2}-xa\right)\left(x-b\right)
Use the distributive property to multiply x by x-a.
x=x^{3}-x^{2}b-ax^{2}+xba
Use the distributive property to multiply x^{2}-xa by x-b.
x^{3}-x^{2}b-ax^{2}+xba=x
Swap sides so that all variable terms are on the left hand side.
-x^{2}b-ax^{2}+xba=x-x^{3}
Subtract x^{3} from both sides.
-x^{2}b+xba=x-x^{3}+ax^{2}
Add ax^{2} to both sides.
\left(-x^{2}+xa\right)b=x-x^{3}+ax^{2}
Combine all terms containing b.
\left(ax-x^{2}\right)b=x+ax^{2}-x^{3}
The equation is in standard form.
\frac{\left(ax-x^{2}\right)b}{ax-x^{2}}=\frac{x\left(1+ax-x^{2}\right)}{ax-x^{2}}
Divide both sides by -x^{2}+xa.
b=\frac{x\left(1+ax-x^{2}\right)}{ax-x^{2}}
Dividing by -x^{2}+xa undoes the multiplication by -x^{2}+xa.
b=\frac{1+ax-x^{2}}{a-x}
Divide x\left(1-x^{2}+ax\right) by -x^{2}+xa.