Can You Show Your Work And Solve It By Using Quadratic Formula?
(c) 2 = 0.7n + 0.6n2
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2 = 0.7n + 0.6n2
0 = 0.6n2 + 0.7n - 2
0 = 6n2 + 7n - 20
x = -7 +/- √((-7)2 - 4(6)(-20)) / 2(6)
x = -7 +/- √(49 + 480) / 12
x = -7 +/- √(529) / 12
x = (-7 +/- 23) / 12
x = 1.3, -2.5
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Need to make visual demonstration of quadratic equation in real life algebra as it applies to an engineer building a bridge please show work
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