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polynomial problems by stacey

Algebra
Tutor: None Selected Time limit: 1 Day

dctfyfffffffffffffffffffffffffffffffffffffff ggggggggggggggggggggggggggg this is my question x^2/18 +x/2 +1 =0

Apr 12th, 2015

x^2/18 + x/2 + 1 = 0

x^2 + 9x + 18 = 0           After multiplying by 18 to all figures

x^2 + 6x + 3x + 18 = 0

x(x + 6) + 3(x + 6) = 0

(x + 3)(x + 6) = 0

x + 3 = 0

x + 3 - 3 = 0 - 3

x = - 3

x + 6 = 0

x + 6 - 6 = 0 - 6

x = - 6

x = - 3 , - 6


Apr 12th, 2015

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