Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
-$\sqrt{25 x^{2}+30 x+9}$
A) none of these
B) $(5 \mathrm{x}+3)^{2}$
C) $5 x+3$
D) $\sqrt{(5 x+3)^{2}}$

Question

Quizplus · Accepted Answer

The expression $\sqrt{25 x^{2}+30 x+9}$ can be rewritten as $\sqrt{(5x+3)^2}$, which simplifies to $5x+3$ since the square root and the square cancel each other out.

Simplify Remember That We Have Assumed That Radicands Do Not 25x2+30x+9\sqrt{25 x^{2}+30 x+9}25x2+30x+9​

Simplify Remember That We Have Assumed That Radicands Do Not $\sqrt{25 x^{2}+30 x+9}$