Question

(3x+5)² Expand.................................​

Answer 1

$\sf \huge{(3x + 5)}^{2} \\ \\ \sf \: using \: identity : {(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2}$

$\sf{(3x + 5)}^{2} = {(3x)}^{2} + 2 \times 3x \times 5 + {(5)}^{2} \\ \sf = {9x}^{2} + 30x + 25$

Answer 2

Step-by-step explanation:

( 3x + 5 ) ^ 2

( 3x ) ^ 2 ( 5 ) ^ 2 + 2 ✖ 3x ✖ 5

so u get answer

9x ^ 2 + 25 + 30x