$3x^2(x^3-1)+2x^3(2x^2+2)\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\=(3x^2)(x^3)+(3x^2)(-1)+(2x^3)(2x^2)+(2x^3)(2)\qquad\text{use}\ a^na^m=a^{n+m}\\\\=3x^{2+3}-3x^2+4x^{3+2}+4x^3\\\\=3x^5-3x^2+4x^5+4x^3\qquad\text{combine like terms}\\\\=(3x^5+4x^5)-3x^2+4x^3\\\\=7x^5+4x^3-3x^2$

4 0

3 years ago

PLEASE HELP!!!

Artemon [7]

B. The slope is 10.25. This means that Dante earns $10.25 each hour.

3 0

3 years ago

For the Parabola y = (x - 7)^2 – 3. the equation for the Line Of Symmetry is

8090 [49]

Answer:

x+=(y)=x

Step-by-step explanation:

7 0

2 years ago

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A simple random sample is always preferred because it obtains the same information as other sampling plans but requires a smalle

SVEN [57.7K]

The answer is false. A simple random sample is a subset of a factual populace in which every individual from the subset has an equivalent likelihood of being picked. A case of a straightforward arbitrary specimen would be the names of 25 workers being picked out of a cap from an organization of 250 representatives.

4 0

3 years ago