sammy188 sammy188
  • 24-09-2017
  • Mathematics
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How to solve this problem

How to solve this problem class=

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kphung76127
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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