Question

100. The expansion of (2x - 3y)2 is
19
2..2​

Answer 1

$(2x-3y)² \\ \\ = (2x)²-2.2x.3y + (3y)²</h2><h2> \\ \\ = 4x²-12xy+9y²$

I hope this helps.

Answer 2

Answer:

$(2x - 3y) ^{2} \\ \\ = (2x) ^{2} - 2 \times 2x \times 3y + ( {3y})^{2} \\ \\ = {4x}^{2} - 12xy + {9y}^{2} \\ \\ formula \: used \\ \\ (a - b) ^{2} = a ^{2} + 2ab + b ^{2}$

hope it helps uH ✔