Simplify 5(6-ab)+2(-7+3ab.
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5(6-ab)+2(-7+3ab)
5 + 5 - ab + 2 - 7 + 3ab
- ab + 3ab = 5 + 5 + 2 - 7
2ab = 5 + 5 + 2 - 7
2ab = 10 + 2 - 7
2ab = 12 - 7
2ab = 5
ab = 5 × 2
ab = 10
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