Question

What should be the value of a if the value of 2x2

+ x – a equals to 5, when x= 1​

Answer 1

Step-by-step explanation:

2x²+x-a=5

2(1)²+1-a=5

2+1-a=5

3-a=5

-a=5-3

-a=2

a=-2

Hope This helps you...