3 years ago

What is the product of 3x(x2 + 4)? o x2 + 3x + 4 3r3+ 4 O 3x + 12x o 3x2 + 12x

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

8 0

Answer:

Step-by-step explanation:

3x(x^2+4)

=3x^2+12x

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What is the cubed root of 275÷7

almond37 [142]

Step-by-step explanation:

It's an irrational number.

$\sqrt[3]{275:7}=\sqrt[3]{\dfrac{275}{7}}=\dfrac{\sqrt[3]{275}}{\sqrt[3]{7}}=\dfrac{\sqrt[3]{275}\cdot\sqrt[3]{7^2}}{\sqrt[3]{7}\cdot\sqrt[3]{7^2}}=\dfrac{\sqrt[3]{275\cdot49}}{\sqrt[3]{7\cdot7^2}}\\\\=\dfrac{\sqrt[3]{13475}}{\sqrt[3]{7^3}}=\dfrac{\sqrt[3]{13475}}{7}=\dfrac{1}{7}\sqrt[3]{13475}$