subtract 24ab - 10b - 20a form 30ab + 21b - 12a
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⇒(30ab+12b+14a)−(24ab−10b−18a)
⇒(30−24)ab+(12+10)b+(14+18)a
6ab+22b+32a
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Answer:
24ab - 10b -20a -30ab + 21b - 12a
Collect like terms.
24ab - 30ab - 10b + 21b - 20a - 12a
Now solve,
= -6ab + 11b - 32a.
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