sqr of 10(-3sqr 2-2sqr 5)
\(\sqrt{10(-3sqr^{2} - 2sqr^{5}} \\\sqrt{10(-3sqr^{2}) - 10(2sqr^{5})} \\\sqrt{-30sqr^{2} - 20sqr^{5}} \\\sqrt{(r^{2} * (-1) * 30sq) - (4r^{4} * 5sqr)} \\r^{2}i - 2r^{2}\sqrt{30sq - 5sqr\)
