120k views
21 votes
If x=3, what is the value of the following expression?

3x² + 2​

User Asim Mahar
by
4.1k points

2 Answers

7 votes

Answer:

29

Explanation:

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

User Chris Tapay
by
4.3k points
7 votes

Answer: -27

Explanation:

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

(A) —27

(B) —18

(C) 18

(D) 27

(E) 81

Your welcome, mind pressing the gold crown down below it will help me out alot ...

User Pavel Synek
by
4.2k points