1).(x+y)²= 2).(9y-2)²= 3).(10+3x)²= 4).(5a-2)²= 5).(8x+7)²=

Question

1).(x+y)²=
2).(9y-2)²=
3).(10+3x)²=
4).(5a-2)²=
5).(8x+7)²=

Answer 1

1. x^2 +2xy +y^2
2. 81y^2 -36y+4
3. 100 + 60x + 9x^2
4. 25a^2 -20a -4
5. 64x^2 +112x +49