Question

Find the value of the following expressions, when x = 2 : (i) 2x2 – x – 2 3

(ii) 3 (x + 2) + 5x – 7​

Answer 1

Step-by-step explanation:

1) 2×2 - x - 23

4 -2 -23

4-25

-21

2) 3(x+2) + 5x - 7

3(2+2) + 5(2) -7

3(4) +10-7

12+3

15