Question
Expand:
$(3 x+2)^3$
$(3 x+2)^3$
✓
Answer
$(3 x+2)^3$
$=(3 x)^3+3 \times(3 x)^2 x^2+3 \times 3 x \times(2)^2+(2)^3$
$=27 x^3+54 x^2+36 x+8$
$=(3 x)^3+3 \times(3 x)^2 x^2+3 \times 3 x \times(2)^2+(2)^3$
$=27 x^3+54 x^2+36 x+8$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Simplify the expression: ($\sqrt{3} + \sqrt{7})^2$
→Factorise:
$4 x^2-9 y^2-2 x-3 y$
→$4 x^2-9 y^2-2 x-3 y$
In the given figure, $\triangle\text{ABC}$ is an equilateral triangle. Find $\text{m}\angle\text{BEC}.$ 
→If $\text{x}-\frac{1}{\text{x}}=-1$ find the value of $\text{x}^2+\frac{1}{\text{x}^2}.$
→Find the value of x in the following: $\Big(\frac{3}{4}\Big)^3\Big(\frac{4}{3}\Big)^{-7}=\Big(\frac{3}{4}\Big)^{2\text{x}}$
→Find whether the given equation have $x = 2, y = 1$ as a solution : $2x – 3y = 1$
→A right triangle $ABC$ with slides $5 \ cm, 12 \ cm$ and $13 \ cm$ is revolved about the side $12 \ cm$. Find the volume of the solid so obtained.
→Assuming the earth to be a sphere of radius 6370km, how many square kilometers is the area of the land if three-fourths of the earth’s surface is covered by water?
Express $0.35 \overline{7}$ in the form $\frac{p}{q}$, where $p$ and $q$ are integers and $q \neq 0$.
→Simplify: $\Big(\frac{32}{243}\Big)^{-\frac{4}{5}}$
→