Lesson: factorization
Grade 9
Factorise:
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Answer:
x=-2.5 0r -0.6
Step-by-step explanation:
6x²+11x-10
factorise
6x²*-10 =-60x²
find 2 numbers that will multiply to give you 60 and subtract to give you +11 which is +15 and -4.
6x²-4x+15x-10= 0
2x(3x-2) +5(3x-2)= 0
2x+5= 0 or 3x-2= 0
Take 5 to the other side Take 2 to the other side
2x=-5 3x=2
x=-5/2 x= 2/3
x= -2.5 or x=0.6
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