Solve 2a 2 - 3a - 2 = 0
{-1/2, 2}
{1/2, -2}
{}
2 answers:
Apply slip and slide
a^2-3a-4
(a-4)(a+1)
(a-2)(2a+1)
Find zeros
a-2=0
a=2
2a+1=0
2a=-1
a=-1/2
Final answer: {-1/2, 2}
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