12375
12375
25-05-2017
Mathematics
contestada
xsquared minus 10x plus 26 equals 8
Respuesta :
KhanKhalifa
KhanKhalifa
25-05-2017
Okay so question is
x^2-10x + 26 = 8
Lets simplify it
x^2-10x+18=0
Let's solve your equation step-by-step.
x2
−
10x
+18
=0
Step 1: Use quadratic formula with a=1, b=-10, c=18.
x=
−b
±
√
b2
−
4a
c
2a
x=
−
(
−10
)
±
√
(
−10
)
2
−
4
(1)
(18)
2
(1)
x=
10±
√28
2
x=
5+
√7
or
x
=
5−
√7
Answer
x=
5+
√7
or
x
=
5−
√7
Answer Link
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