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3 years ago

Given the expression 4x2y+5x−6xy2−4xy+6x2y, select the like term that would combine with 4x2y. −6xy2 −4xy 5x 6x2y

Mathematics

1 answer:

Svetach [21]3 years ago

6 0

Answer:

All two are to the second power

Step-by-step explanation:

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Dia is 10 years old. How many years have to add with twice of her age to get 24?

salantis [7]

Answer:

Step-by-step explanation:

twice her age:

10*2 = 20

24-20 = 4

3 0

3 years ago

Read 2 more answers

Factor f(x) = 15x^3 - 15x^2 - 90x completely and determine the exact value(s) of the zero(s) and enter them as a comma separated

Illusion [34]

Answer:

$x=-2,0,3$

Step-by-step explanation:

We have been given a function $f(x)=15x^3-15x^2-90x$ . We are asked to find the zeros of our given function.

To find the zeros of our given function, we will equate our given function by 0 as shown below:

$15x^3-15x^2-90x=0$

Now, we will factor our equation. We can see that all terms of our equation a common factor that is $15x$ .

Upon factoring out $15x$ , we will get:

$15x(x^2-x-6)=0$

Now, we will split the middle term of our equation into parts, whose sum is $-1$ and whose product is $-6$ . We know such two numbers are $-3\text{ and }2$ .

$15x(x^2-3x+2x-6)=0$

$15x((x^2-3x)+(2x-6))=0$

$15x(x(x-3)+2(x-3))=0$

$15x(x-3)(x+2)=0$

Now, we will use zero product property to find the zeros of our given function.

$15x=0\text{ (or) }(x-3)=0\text{ (or) }(x+2)=0$

$15x=0\text{ (or) }x-3=0\text{ (or) }x+2=0$

$\frac{15x}{15}=\frac{0}{15}\text{ (or) }x-3=0\text{ (or) }x+2=0$

$x=0\text{ (or) }x=3\text{ (or) }x=-2$

Therefore, the zeros of our given function are $x=-2,0,3$ .

7 0

4 years ago

Evaluate the function at each specified value of the independent variable and simplify if an answer is undefined enter undefined

Morgarella [4.7K]

Answer:

the answer is 4 ur welcome

4 0

3 years ago

3x+4y=-23 <br> 2y-x=-19 <br> What is the solution (x,y) to the systems of equations above?

Shkiper50 [21]

If we multiply the bottom equation by 2 and move x to the right, it becomes:

4y = 2x-38

Now we can substitute it for the 4y in the top equation:

3x + (2x-38) = -23 => 5x = -23+38 => 5x = 15 => x=3

Then 4y = 2*3-38 => y = -8

So the solution is (3,-8)

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4 years ago

Write an equation that represents the line.<br> Use exact numbers.

vovangra [49]

Answer:

1x,5y

Step-by-step explanation:

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3 years ago