Mathematics, 26.07.2019 05:00 pikachu4111
Which of the following expressions are equivalent to 48^3-75a? select all that apply. a.) 3(48^3-75a) b.) 3a(16a^2-25) c.) 3a(4a+5)(4a+5) d.)3a(4a+5)(4a-5) (25-26a^2) f.) -3a(5-4a)(5+4a)
Answers: 1
![48a^3-75a=3a\cdot16a^2-3a\cdot25=\underbrace{3a(16a^2-25)}_{B.)}\\\\=3a\left[(4a)^2-5^2\right]=\underbrace{3a(4a-5)(4a+5)}_{D.)}=\underbrace{-3a(5-4a)(5+4a)}_{F.)}](/tpl/images/0133/7282/47093.png)
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Which of the following expressions are equivalent to 48^3-75a? select all that apply. a.) 3(48^3-75...
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