Question

Q. 2. Expand (_2x+5y_32)square​

Answer 1

Answer: THIS SHOULD BE EASY

$(-2x+5y-32)^{2}$ .

Using $(a+b+c)^{2} =a^{2} +b^{2}+c^{2} +2ab+2bc+2ca$,

We get:

$-2a^{2} +5b^{2} +(-32^{2} )$$+2(-2a)(5b)+2(5b)(-32)+2(-32)(-2a)$

Solving the above equation, we get:

4x2−20xy+25y2+128x−320y+1024.

HOPE IT HELPS :D