Add (72ab + 21a³b² + 53a³) and
(-23ab + 17a²b³ + 5a)
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Step-by-step explanation:
(72ab + 21a3b2 + 53a3) + ( -23ab + 17a2b3 + 5a)
= 72ab + 21a3b2 + 53a3 -23ab + 17a2b3 + 5a
= 72ab -23ab + 21a3b2 + 53a3 + 17a2b3 + 5a
= 49ab + 21a3b2 + 53a3 + 17a2b3 + 5a
hope this helped u
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