Question

1) ( 3 + Х )^2
2)( 2Х - 1)^2
3)(3Х - 4у)^2
4)(Х^2 + 5)^2

Answer 1

1. 9+6x+x^2 
2. 4x^2-4x+1
3.9x^2-24xy+16y^2 
4. x^4+10x^2+25