Add the expressions ab – 4a, 5b – ab, 5a – 4b
1 point
a+b
a-b
b-a
ab+a+b
Answers
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Step-by-step explanation:
like terms can be added and subtracted
ab - 4a + 5b - ab + 5a - 4b
ab and ab cancels
5a - 4a +5b -4b
a + b
hence option first is correct
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