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mihalych1998 [28]
3 years ago
6

Multiplatication (x + 3)2​

Mathematics
2 answers:
liraira [26]3 years ago
6 0

Answer: x^2+6x+9

Step-by-step explanation:

this will factor out to

X^2+6x+9

natima [27]3 years ago
3 0

Answer:

x^2 + 6x + 9

Step-by-step explanation:

This is asking for (x+3) (x+3)

Using the FOIL method

(x * x) First, x times x

+ 3x Outside, x times 3

+ 3x Inside, x times 3

+ 9 Last, 3 times 3

Therefore, we have

(x*x) + 3x + 3x + 9

And simplified

x^2 + 6x + 9

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I got disconnected from my tutor, can't reconnect. need an explanation ​
kherson [118]

The absolute value function |<em>x</em>| always returns a non-negative number. It takes any number <em>x</em> and returns <em>x</em> if it's already non-negative, or -<em>x</em> if it is negative in order to make it positive.

|x|=\begin{cases}x&\text{for }x\ge0\\-x&\text{for }x

For the equation

-3 + 4 |2<em>x</em> - 5| = 14

rearrange terms to get

|2<em>x</em> - 5| = 17/4

Now,

• if 2<em>x</em> - 5 ≥ 0, then |2<em>x</em> - 5| = 2<em>x</em> - 5. Then

2<em>x</em> - 5 = 17/4

• and if instead 2<em>x</em> - 5 < 0, then |2<em>x</em> - 5| = -(2<em>x</em> - 5), so that

-(2<em>x</em> - 5) = 17/4, or

2<em>x</em> - 5 = -17/4

In the first case,

2<em>x</em> - 5 = 17/4

2<em>x</em> = 17/4 + 5 = 37/4

<em>x</em> = 37/8

In the second case,

2<em>x</em> - 5 = -17/4

2<em>x</em> = -17/4 + 5 = 3/4

<em>x</em> = 3/8

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Step-by-step explanation:

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Step-by-step explanation:

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