Factorise each of the following
$27 x^{3}-64-108 x^{2}+144 x$
Factorise each of the following
$27 x^{3}-64-108 x^{2}+144 x$
$27 x^{3}-64-108 x^{2}+144 x$
$=(3 x)^{3}+(-4)^{3}+3\left(9 x^{2}\right)(-4)+3(3 x)(16)$
$=(3 x)^{3}+(-4)^{3}+3(3 x)^{2}(-4)+3(3 x)(-4)^{2}$
$=\{3 x+(-4)\}^{3}$
$=(3 x-4)(3 x-4)(3 x-4)$
Similar Questions
Evaluate $66 \times 74$ without directly multiplying
Evaluate $66 \times 74$ without directly multiplying
Factorise each of the following
$27 x^{3}-8 y^{3}-54 x^{2} y+36 x y^{2}$
Factorise each of the following
$27 x^{3}-8 y^{3}-54 x^{2} y+36 x y^{2}$
Expand
$(3 x-2)(3 x-6)$
Expand
$(3 x-2)(3 x-6)$
Write whether the statement are True or False. Justify your answer.
Every polynomial is a binomial
Write whether the statement are True or False. Justify your answer.
Every polynomial is a binomial
Verify whether $2$ and $5$ are zeros of the polynomial $x^{2}-2 x-15$ or not.
Verify whether $2$ and $5$ are zeros of the polynomial $x^{2}-2 x-15$ or not.