Question

The value of 3x² (x²-2x+1) for
x = -1 is​

Answer 1

Step-by-step explanation:

3×(-1)^2{-1^2-2×(-1)+1}

= 3(1+2+1)

=3×4

=12

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Answer 2

Answer:

As the value of x is given, we can just substitute and get the answer.

3x^2 ( x^2-2x+ 1)

3(-1)^2  (-1^2 - 2(-1) + 1)

-3^2 ( 1 + 2 +1)

9( 4)

36

Not included in the answer:

Please remember that when we multiply two negative signs, it always gives us a positive sign.

And if we multiply one negative sign with one positive sign, it gives a negative sign.