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3 years ago

13

Factor this please: x^4-9x^2+20

2 answers:

Novosadov [1.4K]3 years ago

7 0

Your answer is (x+2)(x-2)(x^2-5)

vfiekz [6]3 years ago

4 0

<span><span> x = ± √<span>5 </span>= ± 2.2361</span> x = 2<span> x = -2</span></span>

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brilliants [131]

16/32 = P/100
Cross multiply
p(32) = 16(100)
32p = 1600
divide by 32 on both sides
p = 50 %

7 0

3 years ago

Solve: the quantity 3x minus 15 divided by 2 = 4x

Anon25 [30]

Answer:

x=-3

Step-by-step explanation:

(3x-15)/2 = 4x

Multiply each side by 2

(3x-15)/2 *2= 4x*2

3x-15 = 8x

Subtract 3x from each side

3x-15-3x = 8x-3x

-15 = 5x

Divide each side by 5

-15/5 = 5x/5

-3 =x

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3 years ago

What is the sum of these expressions: (-3.5t - 4s + 4.5) + (-7.1 - 0.3s + 4.1t)

dmitriy555 [2]

-4.3s + 0.6t - 2.6 is the answer

4 0

3 years ago

Use the right triangular prism shown to answer the following questions.

Tju [1.3M]

Answer:

168cm is the right answer

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Solve for all values of x in simplest form. 9-4|3+5x|=5

Zinaida [17]

Answer:

$x=-2/5\text{ or } x=-4/5$

Step-by-step explanation:

So we have the equation:

$9-4|3+5x|=5$

First, subtract 9 from both sides:

$-4|3+5x|=-4$

Divide both sides by -4:

$|3+5x|=1$

Definition of Absolute Value:

$3+5x=1\text{ or } 3+5x=-1$

Subtract 3 from both sides:

$5x=-2\text{ or } 5x=-4$

Divide both sides by 5:

$x=-2/5\text{ or } x=-4/5$

And we're done!

5 0

3 years ago

Read 2 more answers