5x²+x=0 find the zero.
Answers
Answered by
1
5x²+x=0
x(5x+1)=0
x=0 or 5x+1=0
x=0 or 5x=-1
x=0 or x=-1/5
Answered by
4
5x^2-x-4=0
5x^2-5x+4x-4=0
5x(x-1)+4(x-1)=0
(5x+4)(x-1)=0
x=-4/5,1
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