SOLUTION: 3x2+7x+2=0 3x2-16x+5=0 7x2-9x+2=0 10u2+17u+3=0

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Question 82081: 3x2+7x+2=0
3x2-16x+5=0
7x2-9x+2=0
10u2+17u+3=0
Answer by checkley75(3666) About Me  (Show Source):
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3X^2+7X+2=0
(3X+1)(X+2)=0
3X+1=0
3X=-1
X=-1/3 ANSWER.
X+2=0
X=-2 ANSWER.
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3X^2-16X+5=0
(3X-1)(X-5)=0
3X-1=0
3X=1
X=1/3 ANSWER.
X-5=0
X=5 ANSWER
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7X^2-9X+2=0
(7X-2)(X-1)=0
7X-2=0
7X=2
X=2/7 ANSWER.
X-1=0
X=1 ANSWER.
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10U^2+17U+3=0
(5U+1)(2U+3)=0
5U+1=0
5U=-1
U=-1/5 ANSWER.
2U+3=0
2U=-3
U=-3/2 ANSWER.