Answers − Expand and Simplify 2

  1.   Expand and simplify 2b(3b + a) + 4a(5b + a)

  2.   Expand and simplify 5r(4r + s) − 3s(2r − 2s)

  3.   Expand and simplify a(7a + 10b) − b(8a − 2b)

  4.   Expand and simplify 2a(9a + 16b) − 4b(2a − 8b)

  5.   Expand and simplify x(3x + 20y) + 10y(4y − 2x)

  6.   Expand and simplify 30x(x − y) + 15y(2x + 3y)

  7.   Expand and simplify a²(2a + 14b) + 5b(6a² + 8b)

  8.   Expand and simplify 4a² (3a + 12b) + 2b(7a² + 9b)

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