What should be the value of a if the value of 2x² + x - a equals to 5, when x = 0?

Solution:

According to the question, value of x is 0.

Also, 2x² + x - a = 5

Let us substitute the value of x in the given expression.

⇒ 2 × 0² + 0 - a = 5

⇒ 0 - a = 5

⇒ - a = 5

⇒ a = - 5

Therefore the value of a is - 5.

☛ Check: NCERT Solutions Class 7 Maths Chapter 12

Video Solution:

What should be the value of a if the value of 2x² + x - a equals to 5, when x = 0?

Maths NCERT Solutions Class 7 Chapter 12 Exercise 12.3 Question 9

Summary:

- 5 should be the value of a if the value of 2x² + x - a equals to 5, when x = 0.

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