maddiemalmstrom
23.02.2021 •
Mathematics
Which of the following expressions is equivalent to (-3x5y) (-4x9y2)
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Ответ:
12x^227xy^2 - 20xy4y^3
Step-by-step explanation:
(-3x5y) (-4x9y^2)
first : -3x (-4x9y^2) = 12x^227xy^2
second: 5y(-4x9y^2) = -20xy45y^3
then we add them (12x^227xy^2) + ( -20xy45y^3)
= 12x^227xy^2 - 20xy45y^3
Ответ:
4x + y = 5
Step-by-step explanation: