Question

pls answer my question fast....​

Answer 1

2x^2+x^2-a=5
×=0
so,
2(0)^2+0-a=5
0+0-a=5
a=-5

Answer 2

2x^2 + x - a=5

Putting x=0

2(0)^2+0-a=5

0+0-a=5

-a=5

a=-5

Hope it will help you