Pre-Algebra Examples

$(x^{2} + 3 x - 5) + (- 3 x - 4)$

Step 1

Remove parentheses.

$x^{2} + 3 x - 5 - 3 x - 4$

Step 2

Combine the opposite terms in $x^{2} + 3 x - 5 - 3 x - 4$ .

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Step 2.1

Subtract $3 x$ from $3 x$ .

$x^{2} + 0 - 5 - 4$

Step 2.2

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

$x^{2} - 5 - 4$

Step 3

Subtract $4$ from $- 5$ .

$x^{2} - 9$