" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 9x² - 12x - 12x + 16
= 9x² - 24x + 16
Maka, didapat
ax² + bx + c
9x² - 24x + 16
----------------------
a = 9 ; b = -24 ; c = 16
Jadi,
2a - 3b - 4c = 2.9 - 3.(-24) - 4.16
= 18 + 72 - 64
= 26
Semoga Membantu....