ashleyhhh ashleyhhh

05-02-2017
Mathematics

contestada

evaluate 5a + 3b and (5 + a)(3+B) for a=2 and b=4 how is the order of steps diffrent from the two expressions

Respuesta :

kkumi301 kkumi301

05-02-2017

the first one = 10+12 = 22
second = 7x7 = 49

the order of the steps are different by the pluses and minuses
the first one had a multiply to 5 and b multiply to 3 and add them together
the second one had a plus 5 and b plus 3 and those two multiplied .

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