Question

On Adding 5x + 10x2 + 4x3 and 8xy - 7x2 - 9x3 , we get​

Answer 1

Answer:

mark me as a brilliant

Step-by-step explanation:

$(5x + 10x2 + 4x3) + (8xy - 7x2 - 9x3) \\ = 5x + 20x + 12x + 8xy - 14x - 27x \\ = 25x + 12x - 14x - 27x + 8xy \\ = 37x - 41x + 8xy \\ = 8xy - 4x$