Question

the value of 3x^2(x^2-2x+1) for x= -1 is?​

Answer 1

Step-by-step explanation:

3x²(x²-2x+1)

3x⁴-6x³+3x²

3(-1)⁴-6(-1)³+3(-1)²

3+6+3

12

Answer 2

can be written as

3x^2(x-1)^2.......... (a-b)^2=a^2-2ab++b^2

3(-1)^2(-1-1)^2

3×1(-2)^2

3 × 4

12