Question

Sum of 3x + 4y² and 9y²- 8x 

a) 11x -5y²

b) -5x +13y²

c) 11x + 13y²

d) =5x -13y²​

Answer 1

Answer

b) -5x + 13y²

Step-by-step explanation:

3x - 8x = -5x

4y² + 9y² = 13y²

So,

     -5x + 13y²

Answer 2

Answer:

b) -5x + 13y²

Step-by-step explanation:

3x - 8x = -5x

4y² + 9y² = 13y²

So,

    -5x + 13y²