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2.
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-1(9x + 10) + x(9x + 10)
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6.
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(9x + 8)3x + 11(9x + 8)
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11.
|
x(x - 10) - 11(x - 10)
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12.
|
5(x + 12) + 3x(x + 12)
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13.
|
(x - 10)x - 4(x - 10)
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14.
|
(5x + 4)4 + 7x(5x + 4)
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15.
|
x(4x - 5) + 9(4x - 5)
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16.
|
(5x + 2)-8 + x(5x + 2)
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|
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18.
|
(9x - 1)-5 + 3x(9x - 1)
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19.
|
(7x + 12)9 + x(7x + 12)
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20.
|
(x + 3)7x - 12(x + 3)
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|
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22.
|
(3x + 4)5x + 12(3x + 4)
|
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23.
|
x(8x - 9) - 12(8x - 9)
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|
|
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26.
|
(9x - 10)2x - 1(9x - 10)
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|
27.
|
(x + 10)x - 4(x + 10)
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|
28.
|
5x(7x + 8) + 3(7x + 8)
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|
29.
|
(5x - 8)-5 + 3x(5x - 8)
|
|
30.
|
x(7x + 5) - 7(7x + 5)
|
|