" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= (3x + 5) (2x - 4)
Cara cek jawaban benar atau salah
3x × 2x = 6x²
5 × -4 = -20
(5 × 2x) + (-4 × 3x) = 10x + -12x = -2x
kalau digabung = 6x² - 2x - 20 (benar)
2) 16 - 8z + z²
= (4 - z) (4 - z)
3) 3a - 5b - a -4b
a (3 - 1) - b (5 + 4)