+ 4 = 8 orx + 4 = -8
12
X= 4 or x = - 12
...x= -12 or 4
x =
Practice Set 2.3
olve the following quadratic equations by completing the square method.
(1).x + x - 20 = 0
(2).X + 2x 5 = 0 (3) msm = -3
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