Question

Find the value of (3m + 5)² by using (a+b)² ability​

Answer 1

$\huge \boxed{\fcolorbox{black}{red}{ \: \: \: \: 『 answer \:』}} \\ \\ \\ \pink{ \tt{ \implies \: as \: you \: know \: that \: formula \: of \ \: : (a + b) {}^{2} }} \\ \\ \\ \pink{ \implies \: \tt \: \: \: \: \: (3m +5 ) {}^{5} } \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ \\ \pink{ \implies \: \tt{3m {}^{2} + 2 \times 3m \times 5 + 5 {}^{2} }} \\ \\ \\ \pink{\implies \tt \: 9m {}^{2} + 30m + 25 \: \: \: \: \: \: \: \: \: \: \: \: }$