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inessss [21]
3 years ago
15

What are the solutions to he quadratic equation 3x^2+15-18=0

Mathematics
1 answer:
kozerog [31]3 years ago
8 0

3 {x}^{2}  + 15 - 18 = 0 \\  {3x}^{2}  - 3 = 0 \\  {x}^{2}  - 1 = 0 \\  {x}^{2}  = 1
either x= +1
or x= -1
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