Question

Please solve this correctly then I will mark you brainlist​

Answer 1

Answer: 2(3x^2) + 2(5y^2)

Step-by-step explanation:

3x^2 + 2 x 3x4y + 5y^2 + 3x^2 - 2 x 3x5y + 5y^2 = 3x^2 + 3x^2 + 5y^2 + 5y^2

Answer 2

Answer:

ʂơƖ . (ą)

$( {3x + 5y)}^{2} + ( {3x + 5y)}^{2}$

$=( (3x {})^{2} + 2 \times 3x \times 5y + (5y {})^{2} ) + (( {3x})^{2} - 2 \times 3x \times 5y + ( {5y}^{2} ))$

$= 9 {x}^{2} + 30xy + 25 {y}^{2} + 9 {x}^{2} - 30xy + 25 {y}^{2}$

$= 18 {x}^{2} + {50y}^{2}$