3 years ago

PLEASE HELP THIS IS THE LAST QUESTION!!

Mathematics

1 answer:

barxatty [35]3 years ago

5 0

The first step is to set the whole equation equal to zero.
x³-3x²-2x+6=0
then solve for x
x=3, √2,-√2

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100 points! Solve the equation identify any extraneous solutions.

9966 [12]

Answer:

Step-by-step explanation:

40+6=12

12*X=645

697+645=12500

then,

X=5 and 8

5 0

3 years ago

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Find the least common denominator for these two rational expressions. B/b^2 -64 -7b/b^2+7b-8

san4es73 [151]

Answer:

The least common denominator is (b-8)(b+8)(b-1)

Step-by-step explanation:

We are given expression as

$\frac{b}{b^2-64}-\frac{7b}{b^2+7b-8}$

Firstly, we will factor both denominators

$b^2-64=b^2-8^2=(b-8)(b+8)$

$b^2+7b-8=(b+8)(b-1)$

so, we can plug it back

$\frac{b}{(b-8)(b+8)}-\frac{7b}{(b+8)(b-1)}$

First term denominator is

(b-8)(b+8)

Second term denominator is

(b+8)(b-1)

So,

Least common denominator will be

(b-8)(b+8)(b-1)

So, we get

$LCD=(x-8)(x+8)(x-1)$

3 0

3 years ago

Using the rules for special cases, what is the result of?

Arlecino [84]

Answer:

C) 4x^2 -8x +4[/tex]

Step-by-step explanation:

(-2x+2)^2

we apply (a+b)^2 formula

$(a+b)^2 = a^2 + 2ab +b^2$

a= -2x and b= 2

Replace 'a' with -2x and 'b' with 2

$(-2x+2)^2 = (-2x)^2 + 2(-2x)(2) +2^2$

(-2x)^2 is 4x^2

$(-2x+2)^2 = 4x^2 -8x +4$

option C is the answer

8 0

3 years ago

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Solve for X<br><br> y = 0.25x + -11<br><br> Please explain and provide evidence

DedPeter [7]

Answer:

Unfortunately it can't be solved.

Step-by-step explanation:

x is the all real number. which means it will have many solutions.

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3 years ago

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One base of a triangular prism has two sides that are 15 inches wide and 10 inches long what is the possible length for the thir

Tcecarenko [31]

18.03 inches
Put the dimensions into the pythagorean theorem, that will give you the answer.

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4 years ago