3 years ago

What is the solution to 3|x + 3| = 12?

Mathematics

1 answer:

Neporo4naja [7]3 years ago

7 0

Step-by-step explanation:

3(x+3)=12

3x+9=12

3x=12-9

3x=3

x=1

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3 years ago

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ValentinkaMS [17]

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<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

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We can actually see that the statements that are true are:

A. x = 1 is a solution.

C. x = –1 is a solution.

<h3>What is rational equation?</h3>

Rational equation is actually known as an equation that contains at least one fraction. The denominator and numerator are known to be polynomials.

We can see then that:

$\frac{4}{x + 6} + \frac{1}{ {x}^{2} } = \frac{x + 10}{ {x}^{3} + 6 {x}^{2} }$

It's clear that: x ≠ 0 and x ≠ -6.

Looking for the LCM of the left hand side, we will have:

$\frac{4}{x + 6} + \frac{1}{ {x}^{2} } = \frac{4 {x}^{2 } + (x + 6)}{(x + 6) {x}^{2} }$

So, we will see that left hand side and right hand side are equal.

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So, we can see that options A and C are correct.

Learn more about rational equation on brainly.com/question/11611235

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