Question

(5-3mn)²,Expand the given equation.

Answer 1

hello mate!.....

given...
$\\ (5 - 3mn) {}^{2} \\ \\ = 25 + 9(mn) {}^{2} - 30mn \\ \\ hope \: it \: helps \: u$

Answer 2

BONJOUR,
❤ ❤ ❤ ❤

$(5 - 3mn) {}^{2} \\ we \: use \: identity \: here \: \\ (x - y) {}^{2} \\ = x {}^{2} - 2xy + y {}^{2} \\ so \: that \: \\ \: 5 {}^{2} - 2 \times 5 \times 3mn + (3mn) {}^{2} \\ 25 - 30mn + 9m {}^{2}n {}^{2}$