yarelinjunez yarelinjunez
  • 16-09-2018
  • Mathematics
contestada

how does 18x+5 =2(-3x)^2+5

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CoffeeRus
CoffeeRus CoffeeRus
  • 17-09-2018

18x+5=2 (-3x)^2+5 18x+5=36x^2+5 18x-36x^2=0 18x(1-2x)=0   (1-2x)=0  or  18x=0    -2x=-1     x=2  Answer: 2 or 0

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