Question

subtract 3x²-5y+9 from 9x²+4y-2 scam=report plz answer its urgent ​

Answer 1

Answer:

(9 x^2+4y-2)-(3x^2-5y+9)

so 9x^2+4y-2-3x^2+5y-9

6x^2+9y-11

Answer 2

Answer:

$3x {}^{2} - 5y + 9 \: from \: 9x {}^{2} + 4y - 2 \\ (9x {}^{2} + 4y - 2) - (3x {}^{2} - 5y + 9) \\ ((9x \times 9x ) + 4y - 2) - ((3x \times 3x) - 5y + 9) \\ 81x + 4y - 2 - 9x - 5y + 9 \\ 81x - 9x + 4y - 5y - 2 + 9 \\ 72x + ( - 1) - 11 \\ \alpha ns = 72x + ( - 1) - 11$

is your right answer