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2 years ago

Please answer this https://brainly.com/question/24071218

Mathematics

2 answers:

Dennis_Churaev [7]2 years ago

8 0

Answer:

its not question. You can ask questions from your book not your brain....

Vaselesa [24]2 years ago

5 0

You put the link for Brainly not the question

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Simplify expression X^2+x-2/x^3-x^2+2x-2

professor190 [17]

Answer:

$=\frac {x+2}{x^2+2}$ is the simplest form of given expression.

Step-by-step explanation:

The given question is $\frac{x^2+x-2}{x^3-x^2+2x-2}$

To solve the problem we have to group or split middle term and then factorise

$\frac{x^2+(2x-x)-2}{(x^3-x^2)+(2x-2)}$

Taking $x^2$ common from first two terms of denominator and 2 from next two terms

$= \frac{x^2+2x-x-2}{x^2(x-1)+2(x-1)}$

Now,taking x common from first two terms of numerator and -1 from next two terms and in denominator taking(x-1) common from both terms

$= \frac{ x(x+2)-1(x+2)}{(x-1)(x^2+2)}$

$=\frac{(x+2)(x-1)}{(x-1)(x^2+2)}$

Now cancel out x-1 from both numerator and denominator we get

$=\frac {x+2}{x^2+2}$ is the required simplest form.

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2 years ago

Find the value of 7⁴

Mandarinka [93]

I think 2401...I just asked Siri

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2 years ago

Read 2 more answers

Use back-substitution to solve the system of linear equations.

ludmilkaskok [199]

Step-by-step explanation:

x - y + 5z = 29

y + 2z = 4

z = 7

since z = 7 we can use this value in second equation

y + 2×7 = 4 and y = -10

now we know the value of y we can solve the first equation

x -(-10) + 5×7 = 29

x + 10 + 35 = 29

x = -11

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3 years ago

Read 2 more answers

Both please.........

Levart [38]

Sry I'm couldn't solve the second one but the ans for the 1st is 504 sq units

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3 years ago

Twelve diminished by six times a number

Vilka [71]

Twelve diminished by six times a number

12 - 6x

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3 years ago