WyzAnt.comHow do you break this problem down step by step to get the answer
how do you break this down to get the answer 4y^2-8y-20=0
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1 Answer
You can get answer by factoring it first,
4y2-8y-20 = 4(y2-2y-5) = 0
So, y2-2y-5 = 0
By completing the square,
y2-2y+1 = 6
(y-1)2 = 6
Take square root, and isolate y,
y = 1 ± √6 <==Answer
