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zzz [600]
3 years ago
15

Need help factoring this expression

Mathematics
2 answers:
Sindrei [870]3 years ago
5 0

3x+9

3 is a factor of both 3 and 9

3(x+3)

Papessa [141]3 years ago
3 0

In order to factor the expression, you need to find one thing that's a factor of EACH term in the expression. So let's look at the terms.

-- factors of 3x :  1,  3,  x,  3x

-- factors of 9 :  1,  3,  9

The only things that are factors of both terms are 1 and 3.  We can ignore 1, because 1 is always a factor of anything.  That leaves us with 3 .  So we'll factor 3 out of the expression.

3x + 9  =  <em>3 (x + 3)</em>

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Answer:

The answer would be 3.33.

Step-by-step explanation:

Simplifying 12x + 5 = 3x + 35

Reorder the terms: 5 + 12x = 3x + 35

Reorder the terms: 5 + 12x = 35 + 3x

Solving 5 + 12x = 35 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation. 5 + 12x + -3x = 35 + 3x + -3x

Combine like terms: 12x + -3x = 9x 5 + 9x = 35 + 3x + -3x

Combine like terms: 3x + -3x = 0 5 + 9x = 35 + 0 5 + 9x = 35

Add '-5' to each side of the equation. 5 + -5 + 9x = 35 + -5

Combine like terms: 5 + -5 = 0 0 + 9x = 35 + -5 9x = 35 + -5

Combine like terms: 35 + -5 = 30 9x = 30

Divide each side by '9'. x = 3.333333333

Simplifying x = 3.333333333

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