A little bit of trained eyeballing can help here. Let me tell you how I saw the bsci-ch.org without any computation.

You are watching: Find the factorization of the polynomial below

Remember that the expansion of a squared binomial is So, the square of a binomial has the following properties, which you can easily spot:

- It has three terms

- Two of them are perfect squares

- The third is twice the product of the two roots.

Well, in this case we do have three terms, and indeed is the square of 11x, and 1 is the square of itself. The only thing we have to check is that 22x is twice the product of 11x and 1, which is true.

So, the bsci-ch.org is If you want to see some explicit calculations, just use the quadratic formula to see that there is a double solution , and then use the formula to come to the same conclusion.

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Ede4ka <16>10 months ago
5 0
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The common ratio of the sequence is r the sequence is (42, 21, 10.5, 5.25, . . .)
SCORPION-xisa <38>

bsci-ch.org:

Step-by-step explanation:

r = 21/42 = 1/2 ( also 10.5 / 21 = 1/2)

This is a Geometric Sequence with first term 42 and common ratio 1/2.

7 0
11 months ago

Factorise completely x^3+6x^2+3x-10
natima <27>

bsci-ch.org:Solution

(

1

)

(

+

2

)

(

+

5

)

(

x

1

)

(

x

+

2

)

(

x

+

5

)

(x−1)(x+2)(x+5)

Step-by-step explanation:

3

+

6

2

+

3

1

0

x

3

+

6

x

2

+

3

x

10

x3+6x2+3x−10

Grouping

1

Find one factor

Factor by grouping

Factor by grouping

Factor by grouping

4 0
1 month ago

Help me please this should be easy ​
vichka <17>

bsci-ch.org:

what grade are you in ?

Step-by-step explanation:

3 0
3 months ago
LetX1=5,10,15,20andY1=5,10,15,20,25. Using the formal definition of a func-tion, determine which of the following subsets of
tino4ka555 <31>

bsci-ch.org:

Option b) is the bsci-ch.org

Step-by-step explanation:

A function from X₁ to Y₁ is an object f such that every x in X₁ is uniquely associated with an object f(x) = y in Y₁.

Then

1(b)f=(5,25),(10,5),(15,5),(20,10),(5,25) is the correct bsci-ch.org.

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It follows that

f(5) = 25

f(10) = 5

f(15) = 5

f(20) = 10

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8 months ago
Find the coordinates of the Ortho center of triangle ABC with vertices A(2,6) B (8,6) and C (6,2)
liq <111>
The ortho center is (6,4).

3 0
7 months ago
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