ab (a-3b) -2ab (a-2a) - ab (1-2b)
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Let's simplify step-by-step.
ab(a−3b)−2ab(a−2a)−ab(1−2b)
Distribute:
=(ab)(a)+(ab)(−3b)+2a^(2)b+2ab^(2)+−ab
=a^(2)b+−3ab^(2)+2a^(2)b+2ab^(2)+−ab
Combine Like Terms:
=a^(2)b+−3ab^(2)+2a^(2)b+2ab^(2)+−ab
=(a^(2)b+2a^(2)b)+(−3ab^(2)+2ab^(2))+(−ab)
=3a^(2)b+−ab^(2)+−ab
=3a^(2)b−ab−ab^(2)
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