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

2x^2-50=x^2-1 solve by factoring step by step please
asked 111k views
5 votes
2x^2-50=x^2-1
solve by factoring
step by step please

asked
User TMH
by
8.6k points

1 Answer

2 votes

Answer:

x = -7, 7

Explanation:

  • 2x²-50 = x² -1
  • 2x²-x²-50+1 = 0
  • x²-49 = 0
  • (x+7)(x-7)
  • x = -7, 7
answered
User Oliver Bestwalter
by
8.0k points
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