Algebra Examples

$(x^{2} + y^{2}) + (- x^{2} + y^{2})$

Step 1

Remove parentheses.

$x^{2} + y^{2} - x^{2} + y^{2}$

Step 2

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

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Step 2.1

Subtract $x^{2}$ from $x^{2}$ .

$y^{2} + 0 + y^{2}$

Step 2.2

Add $y^{2}$ and $0$ .

$y^{2} + y^{2}$

Step 3

Add $y^{2}$ and $y^{2}$ .

$2 y^{2}$