Consider the equation 3x2 - 2x - 1 = 0. the sum of the roots of this equation is
Brainly100:
3^2 or 3 × 2
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Answered by
14
= 6-2x-1=0
= 5-2x=0
= -2x=0-5
= 2x=5
= x=5/2
= 5-2x=0
= -2x=0-5
= 2x=5
= x=5/2
Answered by
29
3x^2-2x-1=0 x-1=0
3x^2-3x+x-1=0 x=1
3x(x-1)+1(x-1)=0 x=1 or x=-1/3
3x+1=0 Therefore1+-1/3
3x=-1 =3/3-1/3
x=-1/3 =2/3
3x^2-3x+x-1=0 x=1
3x(x-1)+1(x-1)=0 x=1 or x=-1/3
3x+1=0 Therefore1+-1/3
3x=-1 =3/3-1/3
x=-1/3 =2/3
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