Answer
$30x^{2}$
Work Step by Step
You are given (-5$x)^{2}$ + $5x^{2}$.Simplify the exponents:
(-5$)^{2}$(x$)^{2}$+$5x^{2}$ -multiply when raising a power to a power and simplify-
$25x^{2}$+$5x^{2}$ -add the expressions-
The simplified expression is $30x^{2}$
