Question

Simplify 3x(4x-6)+3 and find its value for x=-1 and x=1...​

Answer 1

Step-by-step explanation:

Simplification:

3x(4x-6)+3

12x^2 - 18x + 3

For x = -1

12(-1)^2 - 18(-1) + 3

12 + 18 + 3

33

For x = 1

12(1)^2 - 18(1) + 3

12 - 18 + 3

-6 + 3

- 3

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Answer 2

Step-by-step explanation:

when x= -1

3(-1)[4(-1)-6]+3

-3(-10)+3

30+3=33

when x=1

3(1)[4(1)-6]+3

3(-2)+3

-6+3=-3

Hence when x=-1 the ans is 33

when x=1 the ans is -3