Solve x2 − 8x + 5 = 0 using the completing-the-square method.

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Solve x2 − 8x + 5 = 0 using the completing-the-square method.

Mathematics
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hello :) what have you tried?
i got x and square root of 11

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I don't think i got it right
ok, lets go step by step, x^2 -8x = -5 what did you add to both sides of this equation?
16
good! so left side became the perfect square of (x-4) \((x-4)^2 = 16-5 \\ (x-4)^2=11\) now take square root on both sides
?
11 can't be square rooted
and idk about x-4
right, keep it as \(\Large \sqrt{11}\)
okay
\(\sqrt{(x-4)^2} = x-4\)
okay so x-4 = square root of 11
\(\Large x-4 =\pm \sqrt {11}\)
because there would be a negative root too
okay but my answer choices are x = negative four plus or minus the square root of eleven x = four plus or minus the square root of eleven x = negative four plus or minus the square root of five x = four plus or minus the square root of five
That isn't "x ="
add 4 on both sides
OHHHH
\(\Large x = 4\pm \sqrt{11}\)
OMG I LOVE YOU <3333333333333333333333333333333333
No hetero
me too :) welcome ^_^

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