Question

2x²+x-a is 5 and x=0​
find the value of a

Answer 1

Answer:

a = -5

Step-by-step explanation:

2x² + x - a = 5

Given, x = 0

Putting the values for x we get ,

⇒ 2(0)² + 0 - a = 5

⇒ 0 + 0 - a = 5

⇒ -a = 5

⇒ a = -5

∴ a = -5

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Answer 2

Answer:

The value of a will be -5

Step-by-step explanation:

Here we are given that the value of 2x² + x - a is 5

This can be represented as 2x² + x - a = 5

Also, it is given that x = 0

We have to find the value of a

We will substitute x = 0 in the equation

2x² + x - a = 5

2(0)² + 0 - a = 5

               -a = 5

                a = -5