Question

Work the item as directed. factor 24x2 - 6xy -63y2 completely.

Answer 1

24x^2 - 6xy -63y^2
Factor out the common factor:
3 (8x^2 - 2xy - 21y^2 )
Factor what remains in parentheses:
3 (4x - 7y) (2x + 3y)

Answer 2

I think the answers is 3(4x-7y) (2x+3y )