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Evalue 5a+3b and (5+a)(3+b) for a=2 and b=4. How is the order of steps diferent for the two expression

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User Carlson
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1 Answer

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5a+3b = 24
(5+a)(3+b) = 49

The order of steps are different because one requires multiplication then addition while the other one requires addition then multiplication. But one sure thing is that they both need substitution.
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User Sashaegorov
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