anonymous
  • anonymous
Why might algebra tiles not be a good tool to use to factor x2 + 18x + 80? Explain
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
does anyone know what is is
welshfella
  • welshfella
algebra tiles????
anonymous
  • anonymous
in class they are making me learn Factoring Trinomials: a = 1

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welshfella
  • welshfella
can you think of 2 numbers whose product is 80 and whose sum is 18? they will be the a and b in the factors (x + a)( x + b)
welshfella
  • welshfella
it will help if we think of factors of 80
anonymous
  • anonymous
I think it will be (x+10)(x+8)
welshfella
  • welshfella
you are right
anonymous
  • anonymous
and it also says explain
welshfella
  • welshfella
|dw:1440514864435:dw|
anonymous
  • anonymous
in words plz
welshfella
  • welshfella
well the middle term 18x is formed by multiplying the x by 8 and adding to x times 10
welshfella
  • welshfella
|dw:1440515061727:dw|
welshfella
  • welshfella
and the last term is formed by multiplying the 2 last numbers in the parentheses

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