Question

28. Expand using identities (−2 + 5 − 3)
^2​

Answer 1

$\huge\mathfrak\red{\underline{\underline{Answer}}}$

(-2+5-3)²

(a+b+c)²=a²+b²+c²+2ab+2bc+2ac

(-2+5-3)²=(-2)²+5²+(-3)²+2(-2)(5)+2(5)(-3)+2(-2)(-3)

4+25+9-20-30+12

50-50

0

(-2+5-3)²=0