" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
8. 66500/7=9500
Jadi harga perliternya Rp 9500,00
9. x²-4=12⇒ x²=16 ⇒ x=4 atau x=-4
y-4=-4 ⇒ y=-4+4 ⇒y=0
x-2y=4-0=4 atau -4-0=-4
10. 25x²-4=(5x-2)(5x+2)
17. 65000p+144000q
18. (x-1)(x-2)(x-3)=(x-1)(x²-5x+6)=x³-5x²+6x-x²+5x-6=x³-6x²+11x-6
19. x⁴-625=(x²-25)(x²+25)=(x-5)(x+5)(x²+25)
20. permen = x
x-5-7=10
⇔x-12=10
⇔x=10+12
⇔x=22
Jadi permen semula 22 buah.
Sisanya kerjakan sendiri ya.
Semangat!