equation 3x^3+5x^2=3x+5 has got 3 roots and hence the factors of the left hand side of the equation 3x^3+5x^2-3x-5=0 are
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Answered by
15
Answer:
-1, 1, -5/3
Step-by-step explanation:
- 3x^3+5x^2-3x-5=0
- 3x^3-3x+5x^2-5=0
- 3x(x^2-1)+5(x^2-1)=0
- (x^2-1)(3x+5)=0
- (x + 1) (x - 1) (3x + 5)=0
- x+1= 0, x= -1
- x-1= 0, x= 1
- 3x+5=0, 3x=-5, x= -5/3
Roots are: -1, 1, -5/3
Factors are: (x + 1) (x - 1) (3x + 5)=0
Answered by
7
Answer:
x= -1 & x = 1 & x= -5/3
Step-by-step explanation:
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