Algebra Examples

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

Step 1

Remove parentheses.

$3 - x^{2} + x^{2} - 4$

Step 2

Combine the opposite terms in $3 - x^{2} + x^{2} - 4$ .

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Step 2.1

Add $- x^{2}$ and $x^{2}$ .

$3 + 0 - 4$

Step 2.2

Add $3$ and $0$ .

$3 - 4$

Step 3

Subtract $4$ from $3$ .

$- 1$