1. (x³-3)² 2. x²+6x+9 3. 25x²-10x+y² 4.(4x+3)²-24x 5.18c²-2(3c-1)²

Question

1. (x³-3)²

2. x²+6x+9

3. 25x²-10x+y²

4.(4x+3)²-24x

5.18c²-2(3c-1)²

Answer 1

1. (x^3-3)^2= x^6-6x^3+9

2. x^2+6x+9= (x+3)^2

3. 25x^2-10xy+y^2= (5x-y)^2

4.(4x+3)^2-24x= 16x^2+24x+9-24x= 16x^2+9

5.18c^2-2(3c-1)^2= 18c^2-2 (9c^2-6c+1)= 18c^2-18c^2+12c-2 = 12c-2= 2(6c-1)