expand and simplify (a-5)(a+6)
ƒ( x )= 2 x 2 + 3, then ƒ( x - 1)= 2 x 2 + 4 x + 5
16.7 x 12.07
factorize n^2+3n-28
(2+ $\sqrt{\Box}$ 4) $a^{b}$ (5-3)
factorize b^2-81
\frac{(-\frac{1}{1-x^2}+\frac{1+x}{1-x})(\frac{2{(1-x)}^2}{x^2+4x+4}+\frac{{(x-1)}^3}{{(x+2)}^2})}{(\frac{x}{4-x^2})}
factorize x^2-3x-40
3/2x^2 times 3
1-(1-$sin^{2}$x )