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annikafischer
23.06.2019 •
Mathematics
Write an equivalent expression for the expression (a+b)(2+y)
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Ответ:
Step-by-step explanation:
Use FOIL:
(a + b)(c + d) = ac + ad + bc + bd
(a + b)(2 + y) = (a)(2) + (a)(y) + (b)(2) + (b)(y) = 2a + ay + 2b + by
Ответ:
Step-by-step explanation:
K'=(-6,-4)
L'=(-5,-8)
M'=(-9,-7)
N'=(-10,-3)