Question

Simplify the following expressions and evaluate them as directed: 2 (1) x2(3 - 2x + x) for x = 1; x = -1; x = -1/2

Answer 1

Answer:

for x=1

2× 2(3-2+1)

8

for x= -1

2×2(3+2-1)

16

for x= -1/2

2×2(3-2×(-1/2) -1/2)

2×2(3+1-1/2)

14