Karleyr22 Karleyr22

19-01-2015
Mathematics

Answered

Complete the square: a^2 - 2a - 8=0

Verified Answer :

19211cookies 19211cookies

19-01-2015

a² - 2a - 8 = 0
(a - 4) (a + 2) = 0
a - 4 = 0 or a + 2 = 0
a = 4 or a = -2

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