Question

If x=3, what is the value of the following expression?

3x² + 2​

Answer 1

29

Explanation:

substitute the value of x in the equation 3x^2+2= 3(3×3) + 2 =3×9+2 =27+2=29.....

Answer 2

Answer: -27

Explanation:

If x = —3, what is the value of — 3x23x2?

(A) —27

(B) —18

(C) 18

(D) 27

(E) 81

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