2 years ago

What is the common denominator method. Pls explain with detail

Mathematics

1 answer:

matrenka [14]2 years ago

8 0

Answer:

when both bottom numbers on a fraction are the same at the lowest form

Step-by-step explanation:

example: 2/4 + 6/8 the common denomenator is 8 as both numbers go into it and you only have to times by 2 so answer would be 10/8 which is also 1 2/8

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Answer:

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Step-by-step explanation:

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Simplify the following expression : (2x + 7y) (x – 3y) – (9x + 4) (3x - 2)

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3 years ago

Can the exponent in the denominator be subtracted from the exponent in the numerator when the based are different? Explain

Vanyuwa [196]

Answer:

No, Sorry.

Step-by-step explanation:

Since the bases are different, you'll have to change them even if they have a exponent or not. If you dunno how to make the denominators the same, just multiply the two by eachother.

Example) 1/2 - 3/4

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Multiply 2 and 4 together, and then multiply the 4 to the one also. Multiply 2 to four and also to the 3.

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The subtract from there.

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4 0

2 years ago

factor 3a^5-18a^3+6a^2, I know the answer is 3a^2(a^3-6a+2) but I am so lost on how to get the factor of 3a^2..How in the world

rusak2 [61]

Answer:

$\huge\boxed{3a^2(a^3-6a+2)}$

Step-by-step explanation:

$\sf 3a^5-18a^3+6a^2\\\\HCF = 3a^2\\\\Take \ 3a^2 \ common\\\\= 3a^2(a^3-6a+2)\\\\\rule[225]{225}{2}$

Hope this helped!

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In which quadrant or on which axis each of the following points lie.

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Answer:

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Step-by-step explanation:

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