kaaebaee kaaebaee
  • 02-03-2016
  • Mathematics
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what is the zeros of y=x(x+5)(x-8)

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olemakpadu
olemakpadu olemakpadu
  • 02-03-2016
y=x(x+5)(x-8)

The zeros of 
y=x(x+5)(x-8), means to solve the value of x, when y =0

y=x(x+5)(x-8) = 0

x(x+5)(x-8) = 0

x = 0  or  (x+5) = 0   or (x - 8) = 0


x = 0               x + 5 = 0             x - 8 = 0    
                       x  = 0 -5              x = 0 + 8
                       x = -5                  x = 8

Hence the zeros are  x = 0,  x = -5,  x = 8

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