" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
1) 9x² - 15x = 3x(3 - 5)
2) 49 - 4x² = (49 - 14x) + (14x - 4x²)
= 7(7 - 2x) + 2x(7 - 2x)
= (7 - 2x)(7 + 2x)
3) 12x² - 3y² = 3(4x² - y²)
= 3[ (2x + y)(2x - y) ]
semoga membantu:)