3 years ago

Find the solutions to the quadratic equation below by completing the square. x2 - 8x - 7 = 0

Mathematics

1 answer:

Furkat [3]3 years ago

3 0

Answer:

x=4- $\sqrt{23}$ , x=4+ $\sqrt{23}$

Step-by-step explanation:

(x^2-8x+16)-16-7=0

(x-4)^2=23

x=4- $\sqrt{23}$ , x=4+ $\sqrt{23}$

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