Question

Subtract 8-9xy + 3x2-5x from 3x2-8x + 5xy-1

Answer 1

-3x+14xy-9 answer

3x2-8x+5xy-1-8+9xy-3×2+5x

-8x+5x+5xy+9xy-1-8

-3x+14xy-9

Answer 2

Answer:

solution:

8 - 9xy + (3x2) - 5x - {(3x2) - 8x + 5xy - 1}

8 - 9xy + 6 - 5x - {6 - 8x + 5xy - 1}

14 - 9xy - 5x - {5 - 8x + 5xy }

14 - 9xy - 5x - 5 + 8x - 5xy { - *- = +, - *+ = -, }

(9 - 14xy + 3x ) answer

or ( 3x - 14xy + 9)