redhoodxx6p04z79 redhoodxx6p04z79

31-01-2018
Mathematics

contestada

a) x^3 - 16x = 0
b) x^2 + 2x - 8= 0
c) 3x^2+ 8x= -7
d) (x + 3)(2x - 9)=0

Respuesta :

cineusstanleyy cineusstanleyy

01-02-2018

a) 3x - 16x = 0
-14x = 0

b) 2x + 2x - 8 = 0
4x = 8
x = 2

c) 9x + 8x = - 7
17x = - 7

d) 2x2 - 9x + 6x - 27 = 0
2x2 - 3x = 27

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