Question

4
Find 4x² – 3x² + 2x
When x = -1 by 2
​

Answer 1

Answer:

4×(-1/2)^2-3×(-1/2)^2+2×(-1/2)

4×1/4-3×1/4-1

1-3/4-1

1-1-3/4

0-3/4

-3/4 Ans

Answer 2

Step-by-step explanation:

= 4x2-3x2+2x

= 4(-1/2)2-3(-1/2)2+2(-1/2)

= 4(1/4)-3(1/4)+2(-1/2)

= 1-3(1/4)-1

= 2(1/4)-1

= 1/2-1

= 1-2/2

= -1/2 or 1