Algebra Examples

$x^{2} + 18 x + c = 25 + c$

Step 1

Simplify the equation into a proper form to complete the square.

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Step 1.1

Move $18 x$ .

$x^{2} + c + 18 x = 25 + c$

Step 1.2

Reorder $25$ and $c$ .

$x^{2} + c + 18 x = c + 25$

Step 1.3

Move all terms containing variables to the left side of the equation.

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Step 1.3.1

Subtract $c$ from both sides of the equation.

$x^{2} + c + 18 x - c = 25$

Step 1.3.2

Combine the opposite terms in $x^{2} + c + 18 x - c$ .

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Step 1.3.2.1

Subtract $c$ from $c$ .

$x^{2} + 18 x + 0 = 25$

Step 1.3.2.2

Add $x^{2} + 18 x$ and $0$ .

$x^{2} + 18 x = 25$

Step 2

This equation cannot be solved by completing the square.

Cannot solve by completing the square.