" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2. 18+21-16-15: 8
3. 7a+7ab-3b-3ab: 7a+4ab-3b
semoga membantu
2.9x²+7x³+8x²-5x³ ⇒ 9x²+8x²+7x³-5x³ ⇒17x²+2x³
3.7a(1+b) - 3b(1+a) ⇒ 7a+7ab -3b-3ab
⇒ 7a-3b+7ab-3ab
⇒ 7a-3b+4ab