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LYKAABERGAS123IN
Answered

han
What must be added to 5x2 + 3x - 7 to get a result of 7x2 - 3x - 5?
a. -2x2 + 6x - 2
b. 2x2 + 6x-2
c. 7x2 + 3x - 5
d.2x²–6x+2​

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SUBTRACTING POLYNOMIALS

QUESTION

  • What must be added to 5x² + 3x - 7 to get a result of 7x² - 3x - 5?

SOLUTION

  • 7x²-3x-5 - (5x²+3x-7)
  • 7x²-3x-5 -5x²-3x+7
  • (7x²-5x²)+(-3x-3x)+(-5+7)
  • 2x² - 6x + 2

ANSWER

  • OPTION D (2x²-6x+2)

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