select all that are like radicals after simplifying.\n$sqrt{50x^{2}}$\n$sqrt{32x}$\n$sqrt{18n}$\n$sqrt{72x^{2…

select all that are like radicals after simplifying.\n$sqrt{50x^{2}}$\n$sqrt{32x}$\n$sqrt{18n}$\n$sqrt{72x^{2}}$
Answer
Explanation:
Step1: Simplify $\sqrt{50x^{2}}$
$\sqrt{50x^{2}}=\sqrt{25\times2\times x^{2}} = 5x\sqrt{2}$
Step2: Simplify $\sqrt{32x}$
$\sqrt{32x}=\sqrt{16\times2\times x}=4\sqrt{2x}$
Step3: Simplify $\sqrt{18n}$
$\sqrt{18n}=\sqrt{9\times2\times n}=3\sqrt{2n}$
Step4: Simplify $\sqrt{72x^{2}}$
$\sqrt{72x^{2}}=\sqrt{36\times2\times x^{2}} = 6x\sqrt{2}$
Answer:
$\sqrt{50x^{2}}$ and $\sqrt{72x^{2}}$