wanaigawa bure lini hiyo sukari maaana tani 4,900 sio mchezo ni mifuko 98,000 na ni sawa na kilo 4,900,000 it means kila kaya dsm itapata kilo kadhaaa.....!!
solve by factorization
w^2-17w+60=0
w^2-5w-12w+60=0
w(w-5)-12(w-5)=0
(w-12)(w-5)=0
w-12=0 or w-5=0
w=12 or w=5
but lw=60 nadhani hapo unaweza kumalizia.... quadratic equation nakumbuka ilikuwa topic ya form 2 enzi za 2006
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