Question
Factorise : $9(b+2 a)^2-4 a^2$
✓
Answer
$(3 b+8 a)(3 b+4 a)$
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
Is it possible to have a polygon whose sum of interior angles is $7$ right angles?
→Given $3 \log x+\frac{1}{2} \log y=2$, express $y$ in term of $x$.
→How many liters of water will flow out of a pipe having a cross sectional area $6 \ cm^2$ in one hour, if the speed of water in the pipe is $30 \ cm/sec$?
→Evaluate the following without multiplying:$(999)^2$
→Factorise $:4(2x - 3y)^2- 8x+12y - 3$
→Look at the figures given below :
From these figures, write down the values of :
(i) $\sin x$ (ii) $\tan x$ (iii) $\sec x$ (iv) $\cos y$ (v) $\cot y$ (vi) $\operatorname{cosec} y$ (vii) $\sin z$ (viii) $\cos z$ (ix) $\tan z$
→From these figures, write down the values of :
(i) $\sin x$ (ii) $\tan x$ (iii) $\sec x$ (iv) $\cos y$ (v) $\cot y$ (vi) $\operatorname{cosec} y$ (vii) $\sin z$ (viii) $\cos z$ (ix) $\tan z$
Factorise : $x-y-x^2+y^2$
→Rationalise the denominator of the following:
$\frac{2}{\sqrt{6}}$
→$\frac{2}{\sqrt{6}}$
Factorise : $25(2a - b)^2- 81b^2$
→If $2 \log y - \log x - 3 = 0,$ express $x$ in terms of $y.$
→