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Please Help Me!
Simplify (2x^4+7x^3-3x+9)-(6x^4-3x^3-6x^2-17). Show your work and explain the steps. Leave your answer in standard form. If you do not explain the steps, you will not be getting credit for that step.

I know the answer to (2x^4+7x^3-3x+9)-(6x^4-3x^3-6x^2-17) , however, I don't know the steps to solving it.

Respuesta :

joseaaronlara

Answer:

The answer to your question is below

Step-by-step explanation:

                 (2x⁴ + 7x³ - 3x + 9) - (6x⁴ - 3x³ - 6x² - 17)

Step 1. take out the parenthesis, in the second term, change the signs

                  2x⁴ + 7x³ - 3x + 9 - 6x⁴ + 3x³ + 6x² + 17

Step 2. Group like terms

                  (2x⁴ - 6x⁴) + (7x³ + 3x³) + (6x²) + (-3x) + (9 + 17)

Step 3. Simplify like terms

                          -2x⁴ + 10x³ + 6x² - 3x + 26

                 

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