Question

Simplify and find the value of 4x2+x-2x2
+ x-1 when x = -1.
with wording urgent plz

Answer 1

Answer:

4×1+2×2+1

9

Step-by-step explanation:

4×-1×-1=4 then -2×-2=4 then ×2...+(-1-1) =1

Answer 2

The value of x is -1

4 × 2 + x - 2 × 2 + x - 1

= 4 × 2 + (-1) -2 × 2 + (-1) -1

= 4 × 2 - 1 - 2 × 2 - 1 - 1

= 8 - 1 - 4 - 1 - 1

= 7 - 4 - 1 - 1

= 3 - 1 - 1

= 2 - 1

= 1