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12 votes
12 votes
2x²+x-7=0

please help me solve it

User Reza Ebrahimpour
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2.3k points

2 Answers

16 votes
16 votes

I mostly think the answer is -28
User Thiago
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2.7k points
28 votes
28 votes

Answer:
x= - (1 - √(57) )/(4) , (1 + √(57) )/(4)

Explanation:

You first simplify it. You can use the quadratic formula. First, you have to divide by 2.
x^(2) + (x)/(2) - 7 = 0 Now you can use the formula, so, the answer is
x= - (1 - √(57) )/(4) , (1 + √(57) )/(4)

User Sceptic
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3.6k points