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Marta_Voda [28]
3 years ago
6

Help look at the pic

Mathematics
2 answers:
anzhelika [568]3 years ago
8 0

Answer:

b = -6.307 or -11.693

Step-by-step explanation:

b^{2} +9b +13\\

This can't be factored so you need to use the quadratic formula which is

-b ± \frac{\sqrt{b^{2} -4ac}}{2a}

Plugging the numbers from the equation in, it's

-(9) ± \frac{\sqrt{(9)^{2}-4(1)(13) } }{2(1)}

This simplifies down to b = -6.307 or -11.693.

These are both real solutions.

Lapatulllka [165]3 years ago
7 0

Answer:

b = -6.307 or -11.693

Step-by-step explanation:

hope it helps credits to first guy tho

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