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Nostrana [21]
3 years ago
7

Can someone my answers

Mathematics
1 answer:
erik [133]3 years ago
6 0

Answer:

Option 2 is correct that is \frac{x+2}{x+9}  and x\neq-9and x\neq-12

Step-by-step explanation:

We have been given with the expression \frac{x^2-10x-24}{x^2-3x-108}

We will simplify  the given expression by factorisation we will get \frac{x^2-12x+2x-24}{x^2-12x+9x-108}  

Taking x as common from first two terms in numerator and 2 from last two terms in numerator

Similarly, take x common from first two terms and 9 from last two terms in denominator we will get

\frac{x(x-12)+2(x-12)}{x(x-12)+9(x-12)}

After arranging the terms we will get \frac{(x+2)(x-12)}{(x+9)(x-12)}

Taking out the common factor which is (x-12)  from numerator and denominator it will get cancelled we will get

\frac{(x+2)}{(x+9)}

Hence, Option 2 is correct that is \frac{x+2}{x+9}  and x\neq-9and x\neq-12

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Step-by-step explanation:

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Bezzdna [24]

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3 years ago
Help me answer this please:)
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Answer:

A and B

Step-by-step explanation:

\frac{7x+6}{2}\leq 3x+2 < ==multiply\ both\ sides\ by\ 2\\2(\frac{7x+6}{2}\leq 3x+2)\\\\7x+6\leq6x+4 < ==subtract\ -6x\ from\ both\ sides\ \\-6x \ \ -6x\\\\x+6\leq4 < ==subtract\ 6\ from\ both\ sides\\-6 \ \ \ -6\\\\x\leq-2 < ==answer\ should\ be\ anything\ less\ than\ or\ equal\ to\ -2

Now, look at your answer choices, which options are less than or equal to -2?

x ≤ -2, Check your answers:

A. -3 ≤ -2?

This statement is correct (-3 is < -2)

B. -2 ≤ -2 <== our original answer

This statement is correct (-2 is = to -2)

C. -1 ≤ -2

This statement is incorrect (-1 is > -2, not ≤ -2)

D. 0 ≤ -2

This statement is incorrect (0 is > -2, not ≤ -2)

E. 1 < -2

This statement is incorrect (1 is > -2, not ≤ -2)

Therefore, the correct options are A and B

Hope this helps!

6 0
2 years ago
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