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zhuklara [117]
3 years ago
7

-9(-4w-v+5) Use the distributive property to remove the parentheses

Mathematics
1 answer:
emmasim [6.3K]3 years ago
4 0

Answer:

Step-by-step explanation:

-9(-4w-v+5) = -9*(-4w) - (-9)*v + (-9)*5

                   = 36w + 9v - 45

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3 years ago
What are all the rational roots of the polynomial f(x) = 20x4 x3 8x2 x â€"" 12?.
pav-90 [236]

The rational roots of the polynomial given in the question are -4/5 and 3/4.

Given-

Given polynomial function is,

20x^4+x^3+8x^2+x-12

The given polynomial function has the four-degree equation in which the greatest power of the variable is four. Suppose one root of <em>x </em>is 1 to solve it further. So one factor is,

x-1

Rewrite the given equation,

20x^4+8x^2-12+x^3+x

(20x^4+8x^2-12)+(x^3+x)

(20x^4+20x^2-12x^2-12)+(x^3+x)

(4x^2+4)(5x^2-3) +(x^3+x)

4(x^2+1)(5x^2-3) +x(x^2+1)

On the factor above equation, we get.

[4(5x^2-3)+x](x^2+1)

[20x^2-12+x](x^2+1)

On the factor, we get,

(5x+4)(4x-3)(x^2+1)

x=-\dfrac{4}{5} , \dfrac{3}{4}

Hence, the rational roots of the polynomial given in the question are -4/5 and 3/4.

For more about the polynomial, follow the link below-

brainly.com/question/17822016

7 0
3 years ago
Read 2 more answers
If the expression is expanded, what is the coefficient of x?
Nana76 [90]

Answer:

Coefficient is equal to 12

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What are the coordinates of the point on the directed line segment from (-10, 4) to (-5, -6) that partitions the segment into a
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Step-by-step explanation:

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What is the following quotient.
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