anonymous
  • anonymous
20) (3x3 - 2x2 + 4) - (2x2 + 14) = A) 3x3 - 10 Eliminate B) 3x3 - 2x2 + 18 C) 3x3 - 4x2 - 10 D) 5x5 - 2x2 + 14
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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mathstudent55
  • mathstudent55
Remember that a negative sign outside parentheses changes every sign inside the parentheses. 1. Remove parentheses of the first expression. Just drop them. 2. Distribute the negative outside the second set of parentheses. 3. Combine like terms. 3x^3 - 2x^2 + 4 - 2x^2 - 14 3x^3 - 2x^2 - 2x^2 + 4 - 14 3x ^3 - 4x^2 + 10
anonymous
  • anonymous
i though that was supposed to be a -10 atthe end
mathstudent55
  • mathstudent55
Yes, sorry, you are correct. it's -10 at the end

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anonymous
  • anonymous
kk yayay im rite and itz okay :]] thankz

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