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Nikolay [14]
3 years ago
7

Factor completely. 2x^4 + 4x^3 - 30x^2 =

Mathematics
2 answers:
Aleksandr [31]3 years ago
8 0

Answer:

2x^2(x + 5)(x - 3).

Step-by-step explanation:

The Greatest Common Factor is 2x^2, so:

2x^4 + 4x^3 - 30x^2

= 2x^2(x^2 + 2x - 15)    Now we factor the quadratic in the parentheses:

= 2x^2(x + 5)(x - 3).

den301095 [7]3 years ago
6 0

Answer:

2x^2(x-3)(x+5)

Step-by-step explanation:

The first thing that you can do is to factor out an x^2 from the expression.

x^2(2x^2+4x-30)

The next step is to factor out a 2.

2x^2(x^2+2x-15)

Finally, you can factor the quadratic inside.

2x^2(x-3)(x+5)

And now you're finished! Hope this helps!

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2 years ago
Combine as indicated by the signs. Write variables alphabetically in your answer. 3/x+1/xyz+2/xy
Free_Kalibri [48]
\frac{3yz+2z+1}{xyz} should be your answer
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Angle. How many sides does the polygon have?
tia_tia [17]

The measures of the four angles of quadrilateral ABCD are 36°, 72°, 108° and 144°

<u>Explanation:</u>

A polygon has three or more sides.

Example:

Triangle has 3 sides

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In a quadrilateral ABCD, the measure of ZA, ZB, ZC and ZD are the ratio 1 : 2 : 3 : 4

We know,

sum of all the interior angles of a quadrilateral is 360°

So,

x + 2x + 3x + 4x = 360°

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3 years ago
Consider the initial value problem y′′+36y=2cos(6t),y(0)=0,y′(0)=0. y″+36y=2cos⁡(6t),y(0)=0,y′(0)=0. Take the Laplace transform
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Recall the Laplace transform of a second-order derivative,

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Here, both y(0)=y'(0)=0, so taking the transform of both sides of

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s^2Y(s)+36Y(s)=\dfrac{2s}{36+s^2}

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4 0
3 years ago
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