suppersmartkk73 suppersmartkk73
  • 26-04-2018
  • Mathematics
contestada

factor and find the roots of y= 4×^2+4×-15

factor and find the roots of y 42415 class=

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choixongdong
choixongdong choixongdong
  • 26-04-2018
factor
=(2x - 3)(2x + 5)

roots (zero)
2x - 3 = 0
2x = 3
x = 3/2 
x = 1.5

2x + 5 = 0
2x = -5
  x = -5/2
  x = -2.5
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