Question

помогите пожалуйста 8 класс​

Answer 1

$4y \sqrt{ {y}^{2} } = 4y \times y = 4 {y}^{2}$

$\sqrt{64 {c}^{2} } = - 8c$

${x}^{3} \sqrt{36 {x}^{8} {y}^{12} } = {x}^{3} \times 6 {x}^{4} \times {y}^{6} = 6 {x}^{7} {y}^{6}$