sammy188
sammy188
24-09-2017
Mathematics
contestada
How to solve this problem
Respuesta :
kphung76127
kphung76127
24-09-2017
2x^2+9x-18=0
Factor using slip and slide
x^2+9x-36
(x+12)(x-3)
(x+12/2)(x-3/2)
(x+6)(2x-3)
Use the ZPP to find roots
x+6=0
x=-6
2x-3=0
2x=3
x=3/2
Final answer: x=-6, x=3/2
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