Algebra

Factorise
\[3x^2 +12x\]

Expand
\((x+2)^2\)

Factorise
\[x^2-3x-18\]

Expand
\[(2a+5)(2a-5)\]

Factorise
\[a^2-9\]

Simplify
\[
\frac{x+2}{3} + \frac{x-3}{4}\]

Simplify
\[\frac{2(x+1)}{x^2+2x-3} + \frac{3(x+3)}{x^2+2x-3} \]

Expand
\[(a^2-4)(a-2)\]

Remember
\[FOIL\]

Simplify
\[\frac{3a}{a^2-4} + \frac{2}{a-2} \]

Find \(X\)
\[\frac{5x-3}{2} + \frac{x+7}{3} \] \[=15\]

Find \(X\)
\[\frac{2}{x+8} + \frac{1}{x-2}\] \[=\frac{1}{3}\]

What's the quadratic formula?

Simplify
\[\sqrt{48}\]

Simplify
\[\sqrt{50}\]

Simplify
\[\sqrt{120}\]

Simplify
\[\sqrt{45} + \sqrt{20}\]

Rationalise the denominator of
\[\frac{2}{\sqrt{3}}\]

\(125^\frac{4}{3}\)

\(3^{-2}\)

\(81^\frac{3}{4}\)

Solve
\[x^\frac{1}{2} = 3\]

Solve
\[x^\frac{1}{2} = \frac{1}{3}\]

Solve
\(3a-b=17\)
\[a+2b=1\]