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Expand.
`(2p - 1/(2p))^3`
Concept: undefined >> undefined
Expand.
`(x/3 - 3/x)^3`
Concept: undefined >> undefined
In ☐ABCD, l(AB) = 13 cm, l(DC) = 9 cm, l(AD) = 8 cm, find the area of ☐ABCD.

Concept: undefined >> undefined
Simplify:
\[\frac{8 x^3 - 27 y^3}{4 x^2 - 9 y^2}\]
Concept: undefined >> undefined
Simplify:
\[\frac{m^2 - n^2}{\left( m + n \right)^2} \times \frac{m^2 + mn + n^2}{m^3 - n^3}\]
Concept: undefined >> undefined
Simplify:
\[\frac{a^2 + 10a + 21}{a^2 + 6a - 7} \times \frac{a^2 - 1}{a + 3}\]
Concept: undefined >> undefined
Simplify:
\[\frac{x^2 - 5x - 24}{\left( x + 3 \right)\left( x + 8 \right)} \times \frac{x^2 - 64}{\left( x - 8 \right)^2}\]
Concept: undefined >> undefined
Simplify:
\[\frac{3 x^2 - x - 2}{x^2 - 7x + 12} \div \frac{3 x^2 - 7x - 6}{x^2 - 4}\]
Concept: undefined >> undefined
Simplify:
\[\frac{4 x^2 - 11x + 6}{16 x^2 - 9}\]
Concept: undefined >> undefined
Simplify:
\[\frac{a^3 - 27}{5 a^2 - 16a + 3} \div \frac{a^2 + 3a + 9}{25 a^2 - 1}\]
Concept: undefined >> undefined
Simplify:
`(1 - 2x + x^2)/(1 - x^3) xx (1 + x + x^2)/(1 + x)`
Concept: undefined >> undefined
Factorise:
y3 − 27
Concept: undefined >> undefined
Factorise:
x3 − 64y3
Concept: undefined >> undefined
Factorise:
27m3 − 216n3
Concept: undefined >> undefined
Factorise:
125y3 − 1
Concept: undefined >> undefined
Factorise:
8p3 −\[\frac{27}{p^3}\]
Concept: undefined >> undefined
Factorise:
343a3 − 512b3
Concept: undefined >> undefined
