Find the value of the algebraic expression $x^{2} + 4 x - 3$ , when $x = 4$ .

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Solution

Finding the value of the algebraic expression
Substituting $x = 4$ in the expression we get,
$x^{2} + 4 x - 3 = 4^{2} + 4 (4) - 3 = 16 + 16 - 3 = 32 - 3 = 29$
Hence, the value of the algebraic expression $x = 4$ is $29$

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Find the value of the algebraic expressionx2+4x-3, when x=4.

Finding the value of the algebraic expressionSubstituting x=4 in the expression we get,x2+4x-3=42+44-3=16+16-3=32-3=29Hence, the value of the algebraic expression x=4 is 29

Find the value of the algebraic expression $x^{2} + 4 x - 3$ , when $x = 4$ .

Finding the value of the algebraic expression
Substituting $x = 4$ in the expression we get,
$x^{2} + 4 x - 3 = 4^{2} + 4 (4) - 3 = 16 + 16 - 3 = 32 - 3 = 29$
Hence, the value of the algebraic expression $x = 4$ is $29$