Calculate the difference:

(-3x + 8) - (-3x + 9)

Multiply each term in -3x + 9 by -1

-1 x (-3x + 9) = 3x - 9

## Collect all of our terms:

-3x + 8 + 3x - 9

Now group all of our x terms:

-3x + 3x = 0x

Now group all of our constant terms:

8 - 9 = -1

## Build our answer:

** - 1**

*You have 2 free calculationss remaining*

##### How does the Algebra Master (Polynomials) Calculator work?

Free Algebra Master (Polynomials) Calculator - Given 2 polynomials this does the following:

1) Polynomial Addition

2) Polynomial Subtraction

Also generates binomial theorem expansions and polynomial expansions with or without an outside constant multiplier.

This calculator has 2 inputs.

### What 3 formulas are used for the Algebra Master (Polynomials) Calculator?

Polynomials with matching variables and exponents may be added or subtracted together

ax^2 + bx^2 = (a + b)x^2

ax^2 - bx^2 = (a - b)x^2

For more math formulas, check out our

Formula Dossier
### What 7 concepts are covered in the Algebra Master (Polynomials) Calculator?

- addition
- math operation involving the sum of elements
- algebra master (polynomials)
- binomial theorem
- algebraic expansion of powers of a binomial
- long division
- a standard division algorithm suitable for dividing multi-digit numerals that is simple enough to perform by hand.
- multiplication
- math operation involving the product of elements
- polynomial
- an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).
- subtraction
- math operation involving the difference of elements

##### Example calculations for the Algebra Master (Polynomials) Calculator

## Algebra Master (Polynomials) Calculator Video

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