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avanturin [10]
3 years ago
13

Quadratic equation x2+x+9=0

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

Answer:

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

Step-by-step 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

amid [387]3 years ago
5 0

Answer:

2x+11

Step-by-step explanation:

because x+x=2x

2+9=11

Equation: 2x+11

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satela [25.4K]

Given:

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To find:

The number of hundreds blocks if there are no thousands block.

Solution:

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It can be written as:

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