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8.5 Adding and subtracting polynomials .

8.5 Adding and subtracting polynomials . Add the following polynomials: (9y - 7x + 15a) + (-3y + 8x - 8a). Add the following polynomials: (3a 2 + 3ab - b 2 ) + (4ab + 6b 2 ). Add the polynomials. +. Y. X. X 2. Y. X. XY. Y. X. Y. 1. 1. Y. Y. 1. 1. 1. 1. 1. 1. Y.

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8.5 Adding and subtracting polynomials .

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  1. 8.5 Adding and subtracting polynomials.

  2. Add the following polynomials:(9y - 7x + 15a) + (-3y + 8x - 8a)

  3. Add the following polynomials:(3a2 + 3ab - b2) + (4ab + 6b2)

  4. Add the polynomials.+ Y X X2 Y X XY Y X Y 1 1 Y Y 1 1 1 1 1 1 Y • x2 + 3x + 7y + xy + 8 • x2 + 4y + 2x + 3 • 3x + 7y + 8 • x2 + 11xy + 8

  5. Add the following polynomials (4x2 - 2xy + 3y2) + (-3x2 - xy + 2y2)

  6. Subtract the following polynomials:(9y - 7x + 15a) - (-3y + 8x - 8a)

  7. Subtract the following polynomials:(7a - 10b) - (3a + 4b)

  8. Subtract the following polynomials (4x2 - 2xy + 3y2) - (-3x2 - xy + 2y2)

  9. Find the sum or difference.(5a – 3b) + (2a + 6b) • 3a – 9b • 3a + 3b • 7a + 3b • 7a – 3b

  10. Find the sum or difference.(5a – 3b) – (2a + 6b) • 3a – 9b • 3a + 3b • 7a + 3b • 7a – 9b

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