Question

If x=-1. then the value of 2x2–5x-7 is​

Answer 1

Answer:

-6

Step-by-step explanation:

2x2–5x-7 is

-4+5-7

1-7

-6

Answer 2

Answer:

-6

Step-by-step explanation:

x= -1

then 2x2–5x-7

= 2×(-1)×2–5×(-1)-7

= -2×2+5-7

= -4 +5-7

= -6

Hope my answer helps you.