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puteri [66]
3 years ago
10

What is the factterd form for the eqaution 3x^2+8x+4

Mathematics
1 answer:
Galina-37 [17]3 years ago
5 0

Answer:

(3x+2)(x+2)

Step-by-step explanation:

1 Split the second term in 3{x}^{2}+8x+43x

​2

​​ +8x+4 into two terms.

3{x}^{2}+6x+2x+43x

​2

​​ +6x+2x+4

2 Factor out common terms in the first two terms, then in the last two terms.

3x(x+2)+2(x+2)3x(x+2)+2(x+2)

3 Factor out the common term x+2x+2.

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V125BC [204]

For a polynomial with real cofieints, if a+bi is a root, a-bi is also a root


zeros, i and 5-i

passes through origin means 0 is also a zero


get plus and minus of the roots

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for a poly with roots, r1,r2,r3,r4,r5, the facotred form is

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sub the roots

(x-i)(x-(-i))(x-(5-i))(x-(5+i))(x-0)=

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the polynomial is f(x)=x^5-10x^4+27x^3-10x^2+26x


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3 years ago
How many different committees can be formed from 99 teachers and 3434 students if the committee consists of 33 teachers and 22 ​
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<span>There are 47,124 different committees you can select.

Explanation:
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Together this makes 84*561 = 47124 combinations.</span>
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