brooklynbannis brooklynbannis
  • 04-01-2018
  • Mathematics
contestada

For (x + 4)(x + 9) to equal 0, either (x + 4) or (x + 9) must equal

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jimthompson5910 jimthompson5910
  • 04-01-2018
If (x+4)(x+9) then either x+4 = 0 or x+9 = 0

This is by the zero product property
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