Question

Write in expanded form. Plz solve this problem now.​

Answer 1

Step-by-step explanation:

${(2x + 3y)}^{3} \\ = {(2x)}^{3} + {(3y)}^{3} + 3 \times 2x \times 3y(2x + 3y) \\ = 8 {x}^{3} + 27 {y}^{3} + 36 {x}^{2} y + 54x {y}^{2}$

Answer 2

Step-by-step explanation:

${x \times x { }^{2} + y \times y {}^{2} } { \\ }^{?}$