Algebra Examples

$2 x + 3 + x^{2}$ ; for $x = 4$

Step 1

Replace the variable $x$ with $4$ in the expression.

$2 (4) + 3 + {(4)}^{2}$

Step 2

Simplify each term.

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Step 2.1

Multiply $2$ by $4$ .

$8 + 3 + {(4)}^{2}$

Step 2.2

Raise $4$ to the power of $2$ .

$8 + 3 + 16$

Step 3

Simplify by adding numbers.

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Step 3.1

Add $8$ and $3$ .

$11 + 16$

Step 3.2

Add $11$ and $16$ .

$27$