Question

If a=2, b=-5 and c=-4, find the value 2a -2b -c2​

Answer 1

Answer:

Step-by-step explanation:

a=3,b=4 c=-6,d=-5,e=2a=3,b=4 c=-6,d=-5,e=2a=3,b=4 c=-6,d=-5,e=2a=3,b=4 c=-6,d=-5,e=2

Answer 2

Answer:

here,

a=2,b=5&c=-4

so we know

2a-2b-c2

or,2×2-2×(-5)-(-4)×2

or,4+10+8

or,22