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Linear equation

If a=4 then...

Question

If $a = 4$ then find the value of $a^{2} + 4 a - 3$ .

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Solution

Given that,
$a = 4$
And equation $a^{2} + 4 a - 3$
Putting values of $a = 4$
$= 4^{2} + 4 \times 4 - 3$
$= 16 + 16 - 3$
$= 32 - 3$
$= 29$
Then,
We get the values of given equation is $29$

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