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jeka94
3 years ago
13

2x^2-50=x^2-1 solve by factoring step by step please

Mathematics
1 answer:
AnnZ [28]3 years ago
7 0

Answer:

x = -7, 7

Step-by-step explanation:

  • 2x²-50 = x² -1
  • 2x²-x²-50+1 = 0
  • x²-49 = 0
  • (x+7)(x-7)
  • x = -7, 7
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