# Ex.12.3 Q9 Algebraic Expressions Solution - NCERT Maths Class 7

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## Question

What should be the value of $$a$$ if the value of $$2x^2 + x – a$$ equals to $$5$$, when $$x = 0$$?

Video Solution
Algebraic Expressions
Ex 12.3 | Question 9

## Text Solution

Steps:

Given that

$$2x^2 + x – a = 5$$

Also, value of $$x$$ is $$0$$

So,

\begin{align}2 \times {0^2} + 0 - a &= 5\\ 0- a &= 5\\ - a &= 5\\{\rm{ Ans: }}\; a &= - 5\end{align}

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