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Kaylah Kelley
16 December, 13:14
What are the solutions to the equation? p2-12p=13
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Dakota
16 December, 14:36
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P² - 12 p - 13 = 0
Δ = (-12) ² - 4 (1 * - 13)
Δ = 144 + 52
Δ = 196 = 14²
x₁ = ( - (-12) + 14) / 2 = 26/2 = 13
x₂ = ( - (-12) - 14) / 2 = - 2 / 2 = - 1
S = 13
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