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Evaluate 5a+3b and (5+a)(3+b) For a =2 and b=4. How Is the order Of the steps different For the two expressions?

Evaluate 5a+3b and (5+a)(3+b) For a =2 and b=4. How Is the order Of the steps different For the two expressions?
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Evaluate 5a+3b and (5+a)(3+b) For a =2 and b=4. How Is the order Of the steps different For the two expressions?

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User Rodfersou
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2 Answers

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5(2)+3(4)=10+12=22
(5+2)(3+4)=(7)(12)=84
answered
User JLopez
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4 votes

5a+3b=5\cdot2+3\cdot4=10+12=22\\\\(5+a)(3+b) =(5+2)\cdot(3+4)=7\cdot7=49
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User Naaman
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