Substitute $x = 3$ and find the value of the given expression.
$x^{2} + 5 x + 4$

28

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20

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Solution

The correct option is A $28$
Given $x = 3$
Putting the value, we get,
$x^{2} + 5 x + 4$
$= (3)^{2} + 5 (3) + 4$
$= 9 + 15 + 4$
$= 28$

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Similar questions

x = 3

x^{2} + 5 x

The value of following expression when x = 3, $x^{2}$ − 5x + 4 gives $(- 3)^{2}$ − 5 (−3) + 4 = 9 + 15 + 4 = 28

The value of the expression $x^{2} - 5 x + 4 w h e n x = - 3$ is,
$(- 3)^{2} - 5 \times - 3 + 4 = 9 + 15 + 4 = 28$

x = 3

x^{3} + 5 x

x = - 3

x^{2} - 5 x + 4

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