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TiliK225 [7]
3 years ago
13

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.

<h3>stay safe healthy and happy.</h3>
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