MATHEMATICS MIDDLE SCHOOL

3-3x^2+6+3x+1+4x+2x
combined like terms

Answers

Answer 1

Answer:

Combining like terms must always be in descending order.

Start with the exponents.

As we see, there is no other exponents so we would leave it as such.

$-3x^2$

Progress on to the next greatest which are the variables.

Add all of the coefficients

$4x + 3x + 2x = 9x$

Lastly, move on to the single numbers.

Add them together as shown above, but this time there are no coefficients so it is just a matter of addition and subtraction

$3 + 6 + 1 = 10$

Therefore, the answer is:

$-3x^2 + 9x + 10$

Answer 2

Answer:

Like terms are terms that are alike. 5x and 3x are like terms because they have a coefficient along with a variable. Like terms are terms that can be added together.

We are given:

$3-3x^2+6+3x+1+4x+2x$

Since the $x^2$ term can't be combined to anything, let's combine our x terms. Here is what we will combine:

$3x+4x+2x = 9x$

When combined, they equal 9x. So our expression is now:

$3-3x^2+6+1+9x$

Now, let's combine our regular numbers. We will be adding:

$3+6+1=10$

Now, our expression is even more simplified. We are left with:

$-3x^2+9x+10$

This is your final answer. Nothing can be combined further. Fun fact, this is in standard form and you will be using it in higher algebra.

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If b-10=5, what is the value of b+6

Answers

$b-10=5 \nb=5+10 \nb=15 \n \nb+6=15+6=21 \n \n\boxed{b+6=21}$

15-10=5

15+6=21

15 minus 10 comes to an answer of 5. So that means that, b is equal to 15. If you add 15 and 6, you will get a sum of 21.

What's the square root of 52

Answers

The square root of 52 is 7.211

The answer is 7.21110255093.

Least common multiple of 78 90 140

Answers

78= 2x3x13
90= 2x3x3x5
140= 2x2x5x7
13x3x3x2x2x5x7= 16,380

What is the name of figure 3 in the photo. press to see full image.

Answers

a diamond or a rhombus .

hope that i havee helped you well :)

How to do improper fractions with 3.8 repeating

Answers

3.88888=3.88888/1=38.8888888

so lets ssay our repeating decimal = a fraction x
x=3.888 is true
multiply by 10
10x=38.8888
now subtract fir frist eqation from second
10x-x=38.8888-3.888888
9x=35
divide both sides by 9
x=35/9
x=3 and 7/9

anser is 3.88=3 and 7/9

What is different between 244 feranhit and 35 feranhit using compensation to calculate ?