" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
18. 8x^2 - 10xy - 3y^2 = (4x + y)(2x - 3y)
21. 8x^2 + 7xy - 15y^2 = ( 8x + 15y)(x - y)