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33 votes
Quadratic equation x2+x+9=0

User Smurker
by
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2 Answers

12 votes
12 votes

Answer:

2x+11

Explanation:

because x+x=2x

2+9=11

Equation: 2x+11

User Leo Moore
by
2.8k points
22 votes
22 votes

Answer:

x= -1+- i√35/2(looks weird so I'll include an image)

Explanation:

depends on what you wanted to do with this equation, but I'm going to assume you wanted to factor this.

(-b+- √b^2-4ac)/(2a)=

-1+- √1- 4(1)(9)/ 2=

-1+- √1- 36/ 2=

x= -1+- i√35/2

Quadratic equation x2+x+9=0-example-1
User Peetasan
by
3.1k points