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3 years ago

Factorise full the following x squared +2x

Mathematics

1 answer:

dsp733 years ago

5 0

Answer:

x(x+2) is the answer please

Step-by-step explanation:

x²+2x

x(x+2)

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Math simplify (7a+5b-2c) + (5a+7b) + (2a-7c) + (2a-5b+3c) algebra

Alekssandra [29.7K]

Answer:

$-10a^2+25ab-15ac+12a+12b-2c$

Step-by-step explanation:

$(7a+5b-2c)+(5a+7b)+(2a-7c)+(2a-5b+3c)$

Distribute:

$=7a+5b-2c+5a+7b+(2a)(2a)+(2a)(-5)+(2a)(3c)+(-7a)(2a)+(-7a)(-5b)+(-7a)(3c)$

$=7a+5b-2c+5a+7b+4a^2-10ab+6ac-10a^2+35ab-21ac$

Combine all like terms:

$=(4a^2-14a^2)+(-10ab+35ab)+(6ac-21ac)+(7a+5a)+(5b+7b)+(-2c)$

$=-10a^2+25ab-15ac+12a+12b-2c$

6 0

3 years ago

The price of a telephone reduced form Rs 3500 to Rs 3200. What percentage is decreased from its original price?

KIM [24]

Given :-

The price of a telephone reduced form Rs 3500 to Rs 3200.

To Find :-

Percentage decrease from it's original price .

Solution :-

Here the initial cost is Rs 3500 and the new cost is Rs 3200. So the decrease in its price is ,

→ Decrease = Rs 3500 - Rs 3200

→ Decrease = Rs 300

Now we may find the % change in its price by ,

→ Decrease in cost/Initial cost * 100 %

→ Rs 300 /Rs 3500 * 100 %

→ 8.57%

Hence the price is decreased by 8.57% .

I hope this helps.

5 0

2 years ago

Read 2 more answers

The GCF of 24 and 32 is

Oliga [24]

The greatest common factor of of 24 and 32 is 8

3 0

3 years ago

Read 2 more answers

will's hair was originally 7 inches long. He asked her hair dresser to cut 2/8 of it off. How many inches did he have cut off?

saw5 [17]

1.75 inches and how you get that is 7 Divided by 8 which equals 0.875 then multiply that by 2 equaling 1.75

4 0

4 years ago

Sam sold 5 comic books and RJ sold 4 comic books. They sold them for five dollars each. They want to know how much their books a

Anettt [7]

Answer:

the answer would be C.

Step-by-step explanation:

You add up 4 + 5 which is Sam and RJ together. Then multiply 5 to get the amount they sold for each.

Hope this helped!

7 0

3 years ago