12x² = x + 20please give me a answer
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12x²-x-20= 0
12x²-16x+15x-20=0
4x(3x-4)+5(3x-4)=0
(4x+5)(3x-4)=0
4x+5= 0 or 3x-4=0
4x=-5 or 3x=4
x=-5/4 or x= 4/3
x=-5/4 or 4/3
Answered by
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Answer:
12x²-x-20= 0
12x²-16x+15x-20=0
4x(3x-4)+5(3x-4)=0
(4x+5)(3x-4)=0
4x+5= 0 or 3x-4=0
4x=-5 or 3x=4
x=-5/4 or x= 4/3
x=-5/4 or 4/3
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