How do you solve 15x^{2}=7x+2?

Vilharjevw7

Vilharjevw7

Answered question

2022-01-20

How do you solve
15x2=7x+2?

Answer & Explanation

Flickkorbma

Flickkorbma

Beginner2022-01-21Added 17 answers

Step 1
15x2=7x+2
15x27x2=0
15x210x+3x2=0
5x×(3x2)+3x2=0
(3x2)×(5x+1)=0
So x1=15 and x2=23
Sean Becker

Sean Becker

Beginner2022-01-22Added 16 answers

Step 1
Dividing by 15 we get
x2715x215=0
x1,2=720±49300+215
x1,2=730±1330
x1=23
x2=15

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