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OpenStudy (anonymous):
can someone please check my answer for this question: Solve. x2 = 10x – 20 a.x=2+-2sqrt5 b.x=5+-2sqrt5 c.x=10+-sqrt10 d.x=5+-sqrt5 i got d am i correct
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OpenStudy (anonymous):
You are correct. The easiest method for this problem is to use the quadratic formula. Step 1) Rewrite as \(\Large x^2 -10x +20 = 0\) Step 2) Notice that a = 1, b=-10, c=20 Plug into the quadratic formula. Step 3) Simplify.
OpenStudy (anonymous):
ok thanks for checking
OpenStudy (anonymous):
My pleasure. =)
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