Question

. What should be the value of a if the value of 2x2 + x – a equals to 5, when x = 0?
pls write the step correctly
for class 7

Answer 1

Answer:

a=-5

Step-by-step explanation:

2x2+x-a=5                given

put x=0

2(0)2+0-a=5

-a=5

a=-5

Answer 2

Answer:

a=1

Explanation:

= 2 x 2 + x + a = 5

If x = 0 then,

= 2 x 2 + 0 + a = 5

= 4 + 0 + a = 5

= 4 + a = 5

Therefore, a = 5-4

= 1

Maths Expert

KAUSTUBH SHARMA