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5 votes
How many solutions does 3x^2+11x+10=0 have

2 Answers

3 votes

Answer:

2 solutions

Explanation:

3x^2+6x+5x+10=0

(3x)x(x+2)+5(x+2)=0

(x+2)x(3x+5)=0

x+2=0

3x+5=0

x=-2

x=-5/3

User Ganapathy
by
5.0k points
6 votes

Answer:

Explanation:

Let's find the discriminant
\Big(√(b^2-4ac)\Big)


√(11^2-4(3)(10)) = 1

It is a positive number, therefore there are 2 solutions

User Hey Mike
by
3.9k points