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german
3 years ago
10

Factorise a.x3+4.a.x​

Mathematics
1 answer:
Contact [7]3 years ago
4 0

Answer:

{ax}^{3}  + 4ax \\

factorise out a and x :

{ \boxed{answer{= ax( {x}^{2}  + 4) }}}\\ but \: farther \: more :  \\  = ax( {x}^{2}  +  {2}^{2} )

but from general factorization:

{ \boxed{( {a}^{2} +  {b}^{2}) =  {(a + b)}^{2}   - 2ab }}

a » x

b » 2

therefore:

= ax \{ {(x + 2)}^{2}  - 2(x)(2) \} \\  \\  = { \boxed{ \boxed{ax( {x + 2)}^{2} - 4x }}}

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The coordinates would be (4,-3)
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the value of x is 8 cm.

<u>Step-by-step explanation:</u>

Correct Question : In the diagram, the radius of the outer circle is 2x cm and the radius of the inside circle is 6 cm. The area of the shaded region is 220π cm2. What is the value of x? Enter your answer in the box.

We have ,

the area of a circle =  πr²

the outer circle area = \pi(2x)^2 =4\pi x^2

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the outer circle area - the inside circle area = he shaded region

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Resale Value Garland Mills purchased a certain piece of machinery 2 years ago for $500,000. Its present resale value is $420,000
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Answer:

260,000

Step-by-step explanation:

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Or

year 1 500000-40000=460000

year 2 460000-40000=420000

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2 years ago
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