Pre-Algebra Examples

$(16 - x^{2}) + (- 18 x^{2} + 7 x^{5} - 10 x^{4} + 5)$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$16 - x^{2} - 18 x^{2} + 7 x^{5} - 10 x^{4} + 5$

Step 1.2

Add $16$ and $5$ .

$- x^{2} - 18 x^{2} + 7 x^{5} - 10 x^{4} + 21$

Step 2

Subtract $18 x^{2}$ from $- x^{2}$ .

$- 19 x^{2} + 7 x^{5} - 10 x^{4} + 21$