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ehidna [41]
2 years ago
11

Simplify -x(4x^2 − 6x + 1)

Mathematics
1 answer:
12345 [234]2 years ago
3 0

Answer:

-4x^3+6x^2-x

Step-by-step explanation:

1. Distribute the X across the equation: -x(4x^2)=-4x^3\\

2.-x(-6x)=6x^2

3.-x(1)=-x

3.-4x^3+6x^2-x

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PLEASE HELP URGENTLY!
torisob [31]

Answer:

here's your answer hope it helps!!

7 0
2 years ago
What is the ratio of x to y?
abruzzese [7]
\frac{3}{2} = \frac{2x}{2x+y}

From any proportion, we get another proportion by inverting the extremes (or the means):

\frac{2x+y}{2} = \frac{2x}{3} = k

so we have:

2x=3k
2x+y=2k therefore:
3k+y=2k
y= - k

x=\frac{3}{2} k

\frac{x}{y} = - \frac{3}{2}

The corect answer is A. -3/2

or:

\frac{3}{2} = \frac{2x}{2x+y}

From any proportion, we get another proportion by inverting the extremes and the means:

\frac{2x+y}{2x} = \frac{2}{3}

We use a property of proportions:

\frac{a}{b} = \frac{c}{d}  where a, d are extremes and b,c are means and the product of the extremes equals the product of the means (a*d=b*c),

so we have

\frac{a-b}{b} = \frac{c-d}{d}  or

\frac{a+b}{b} = \frac{c+d}{d}  (you can check this also by "the product of the extremes equals the product of the means")

\frac{2x+y}{2x} = \frac{2}{3}

\frac{(2x+y)-2x}{2x} = \frac{2-3}{3}

\frac{y}{2x} = \frac{-1}{3}

3y = - 2x

\frac{x}{y} = -\frac{3}{2}



4 0
3 years ago
Can someone pls help me
jolli1 [7]

Answer:

x=−8 and y=−4

Step-by-step explanation:

8x−17y=4;−8x+15y=4

add eqn1 and 2

to eliminate x

you will get y=-4

put it zin eqn 1

x=-8

8 0
2 years ago
Factor the trinomial:<br><br> -2x²-16x-24
Liula [17]
-2x^2-16x-24&#10;&#10;
<u />-2x^2-12x-4x-24
-2x(x+6)-4(x+6)
(-2x-4)(x+6)
-2(x+2)(x+6)
8 0
3 years ago
My little sis needs help it's 10 points.
Alika [10]
(4 x 0.35)+(4 x 0.30) is correct
7 0
3 years ago
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