3 years ago

If a and b are positive integers and their product is 3 times their sum,what is the value of 1 a + 1 b ?

Mathematics

1 answer:

beks73 [17]3 years ago

8 0

Hello,
3 solutions:
a=0,b=0 ==>a+b=0,a*b=0a=4,b=12 ==> a+b=16, a*b=48a=6,b=6 ==>a+b=12,a*b=36

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Factorise the following using the Difference of Two Squares or Perfect Squares rule: a) (2x-2)^2 - (x+4)^2 b) (3x+4) (3x-4)

emmainna [20.7K]

Answer:

Step-by-step explanation:

Hello, please consider the following.

$(2x-2)^2 - (x+4)^2 \\\\=(2x-2-(x+4))(2x-2+x+4)\\\\=(2x-2-x-4)(3x+2)\\\\=\boxed{(x-6)(3x+2)}$

$(3x+4) (3x-4)\\\\=(3x)^2-4^2\\\\=\boxed{9x^2-16}$

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3 years ago

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OLEGan [10]

Answer:

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3 years ago

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notsponge [240]

Answer:

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3 years ago

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3 years ago

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Step-by-step explanation:

43644+65466=698304

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3 years ago