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2 years ago

12

help in need help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

11

1 answer:

Aleks [24]2 years ago

5 0

answer is 2+ 1/4x + 1 the simplest form is x= -3/4 or -0.75

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Simplify this rational expression. 2x^2+5x+3/2x^2-x-3

Murljashka [212]

Answer:

$2x+3$ / $2x-3$

Step-by-step explanation:

firstly we make two steps to simplify this question.

1st step: simplify $2x^{2} +5x+3$

to simplify this we use factorization

$2x^{2} +2x+3x+3$

$2x(x+1) +3(x+1)$

$(2x+3) (x+1)$ .....(1)

2nd step:simplify $2x^{2} -x-3$

$2x^{2} +2x-3x-3$

$2x(x+1)-3(x+1)$

$(2x-3)(x+1)$ .....(2)

now dividing (1) and (2), we get the answer

$2x+3/2x-3$

5 0

3 years ago

-2a-9=6a+15<br> Idk how to this equation could someone plzz consider helping me?

ollegr [7]

-2a-9=6a+15

Move 6a to the other side. Sign changs from +6a to -6a.

-2a-6a-9=6a-6a+15

-2a-6a-9=15

-8a-9=15

Move -9 to the other side. Sign changes from -9 to +9.

-8a-9+9=15+9

-8a=15+9

-8a=24

Divide both sides by -8

-8a/-8=24/-8

a=-3

Answer: a=-3

8 0

3 years ago

If you subtract 14 from my number and multiply the difference by -4, the result is -40 what is peters number?

alina1380 [7]

Answer:

-104?

Step-by-step explanation:

6 0

3 years ago

Which of the following is an irrational number? -7 , 7/101, -1/3, pi

Damm [24]

Answer:

pi

Step-by-step explanation:

An irrational number cannot be expressed by two integers.

4 0

3 years ago

Aditi bought 20 apples at Rs 25 each and sold them at Rs 32 each. What is her total profit?

Lelechka [254]

Answer: 140

Step-by-step explanation: 25x20=500

32x20=640

640-500= 140!!

4 0

1 year ago