Question:
Factorize each of the following algebraic expression:
36a2 + 36a + 9
Solution:
$36 a^{2}+36 a+9$
$=9\left(4 \mathrm{a}^{2}+4 \mathrm{a}+1\right)$
$=9\left\{(2 \mathrm{a})^{2}+2 \times 2 \mathrm{a} \times 1+1^{2}\right\}$
$=9(2 \mathrm{a}+1)^{2}$
$=9(2 \mathrm{a}+1)(2 \mathrm{a}+1)$
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.