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10 questions
(-13x) + (14x)
x
-x
27x
-27x
(12a - 3b) - (3a + 4b)
15a + b
9a + b
9a - 7b
15a + 7b
(-6x)(5x)
30x2
−30x2
30x
-30x
(2x2 + 5x − 8) + (9x2 − x +8)
11x2 + 4x
11x2 + 4x + 16
11x2+ 6x − 16
11x2 + 6x
(m + 2)(m - 4)
m2 + 2m + 8
m2 − 2m + 8
m2 + 2m − 8
m2 − 2m − 8
(−2x)3
−8x3
8x3
−6x3
6x3
2b - (-5b)
-3b
3b
7b
-7b
(-5k) - (+8k)
-13k
3k
-3k
13k
(3xy)2(−2x2y)
−18x4y3
−6x4y3
6x4y3
18x4y3
18xy21xyz
97z
6z7
9z7
67z
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