Question 1116344
solve 2x^2 +13x+ 20 = 0 using complete the square
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2x^2 +13x+ 20 = 0
x^2 + 6.5x + 10 = 0
x^2 + 6.5x = -10
x^2 + 6.5x + (6.5/2)^2 = -10 + (6.5/2)^2 = 0.5625
(x + 3.25)^2 = 0.75^2
x + 3.25 = 0.75
x = -2.5
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x + 3.25 = -0.75
x = -4