IRONMATHMAN IRONMATHMAN

02-10-2016
Mathematics

contestada

What is x^2=8x-35? Solve equation.

Respuesta :

Panoyin Panoyin

02-10-2016

x² = 8x - 35
x² - 8x + 35 = 0
x = -(-8) ± √(-8)² - 4(1)(35)
2(1)
x = 8 ± √64 - 140
2
x = 8 ± √-76
2
x = -8 ± 4i√19
2
x = -4 ± 2i√19

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