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VARVARA [1.3K]
3 years ago
15

What is the solution set of 2x^2 - 3x = 5? (-1,-5/2) (-1, 5/2} (1.-5/2}

Mathematics
2 answers:
earnstyle [38]3 years ago
5 0

Answer:

(-1, 5/2)

Step-by-step explanation:

That is what I got

anyanavicka [17]3 years ago
5 0

Answer:

(-1 , 5/2)

Step-by-step explanation:

2x²-3x=5

2x²-3x-5=0

2x²+2x-5x-5*1=0

2x(x+1)-5(x+1)=0

(x+1)(2x-5)=0

x+1=0     ;2x-5=0

x=-1  ;  2x=5

x= -1   ; x=5/2

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Answer:

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The ratio of marbles to stones is 5 to 7 if there are 35 marbles how many stones is there?
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