" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=5x²-9xy-4y² - x²+6xy+3y²
=( 5x²-x²) (-9xy+6xy ) ( -4y²+3y²)
= 4x²-3xy-y²
yang A saya lupa caranya.
b. (2x-2) (x+5)
= ( 2x X x) (2x x 5) ( -2x X x) (-2 x 5)
= 2x³+10-2x³-10
= 2x³-2x³+10-10 ( kalau tdk salah )