anonymous
  • anonymous
how do i do problems like (y+5)(y+2)+0?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
I think you mean =0. And recall that if (y+a)(y+b) = 0 then either y+a = 0 or y+b = 0.
anonymous
  • anonymous
yes, i meant =0 but i still have no idea what ur saying!
anonymous
  • anonymous
i mean..i know what you mean, but that doesn't help really

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anonymous
  • anonymous
well, if y+5 = 0 what is y ?
anonymous
  • anonymous
-5?
anonymous
  • anonymous
Yep. Now if y+2 = 0 what is y?
anonymous
  • anonymous
-2
anonymous
  • anonymous
Right, so the solutions to (y+5)(y+2) = 0 are y = -5 and y = -2
anonymous
  • anonymous
If y is either of those values, the expression (y+5)(y+2) will equal 0.
anonymous
  • anonymous
dont you have to foil or whatever?
anonymous
  • anonymous
No, you can solve by inspection.
anonymous
  • anonymous
i just typed this huge long question and then checked your answer in the back of my math book, and you were right! thanks!

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