3 years ago

I am unsure can anyone help

Mathematics

2 answers:

Rom4ik [11]3 years ago

6 0

Answer:

$(6x + 1) = {(x - 9)}^{2} \\ {x}^{2} - 18x + 81 - 6x - 1 = {x}^{2} - 24x + 80 = 0 \\ x 1= \frac{24 + \sqrt{256} }{2 \times 1} = \frac{24 + 16}{2} = 20 \\ x 1= \frac{24 - \sqrt{256} }{2 \times 1} = \frac{24 - 16}{2} = 4$

Brums [2.3K]3 years ago

5 0

Step-by-step explanation:

B. 20 only

hope it helps.

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