Question

16. 4a2 - 12a + 9 - 492​

Answer 1

$\begin{gathered}{\Huge{\textsf{\textbf{\underline{\underline{\purple{Answer:}}}}}}}\end{gathered}$

$\implies$(4a²-12a+9)-49².

Factorize ,

[(2a)²-2(2a)(3)+(3)²] - (7b)²

= [2a-3]²-[7b]²

=[2a-3+7b] [2a-3-7b]

• I Hope it's Helpful My Friend.

Answer 2

$\fbox\pink{A}\fbox\blue{n}\fbox\purple{s}\fbox\green{w}\fbox\red{e}\fbox\orange{r}$

(4a²-12a+9)-49².

Factorize ,

[(2a)²-2(2a)(3)+(3)²] - (7b)²

= [2a-3]²-[7b]²

=[2a-3+7b] [2a-3-7b]