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Mathematics 16 Online
OpenStudy (anonymous):

a^2 - 11a + 30 = 0

OpenStudy (katrinakaif):

a^2-11a +30 = 0 (a^2 -6a) (-5a + 30) a(a-6) -5(a-6) (a-5) (a-6)

OpenStudy (katrinakaif):

Solve for a a - 5 = 0 a - 6 = 0 a = 5 or 6, check for extraneous solutions

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