Step-by-step Solution

Solve the equation 2x^2+5=13

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$x=\pm 2$

Step-by-step explanation

Problem to solve:

$2x^2+5=13$
1

Subtract $5$ from both sides of the equation

$2x^2=8$
2

Multiply both sides of the equation by $\frac{1}{2}$

$x^2=4$

$x=\pm 2$
$2x^2+5=13$