disposableteena
disposableteena
20-03-2018
Mathematics
contestada
8n^2-4(7m^3+5n^2)
help
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garydesir1
garydesir1
20-03-2018
Hello there!
8m² - 4(7m³ + 5n²)
You wanna start by using the distributive property
=8n² - (-4)(7m³) + (-4)(5n²)
= 8n² - 28m³ - 20n²
= -28m³ - 12m²
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