Add and Subtract Polynomial Expressions. Question 1.

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Presentation transcript:

Add and Subtract Polynomial Expressions

Question 1

Display first polynomial

Add to your display the second polynomial

Simplify by combining like terms

Remove “zeros”

What remains is the answer!

Question 2

Display first polynomial expression

Remove second polynomial expression

What is left?

Question 3

Display first polynomial expression

Can we remove the second? We cannot remove an if is not in the original display…

We have to insert into the display without changing the value... Add in zero... (made of a positive and a negative

Now we can remove the second polynomial

What remains is the answer!

Question 4

Display first polynomial Can you remove the second?

We cannot remove -3 Add in -3 and +3 (they make zero and will not change the value)

Now we can remove all of the second polynomial Your answer is what remains

Question 5

Display the first expression Can you remove the second expression?

Yes! Go ahead and remove the second expression The answer is what remains!

Question 6

Display the first expression Can we remove the second expression? Not the way it is!

We need to add in every term from the second expression. Remember to pair these terms with their opposite so the value of the expression does not change. Double Check that you have not changed the value of the original expression...

Now remove the second expression Your answer is what remains

Question 7

Display the first expression Can we remove the second? Not the way it is!

Add in the tiles needed. Make sure the value of the expression has not changed

Remove the second expression. What remains is the answer.

Question 8

Display the first expression Add to your display the terms of the second expression Combine like terms

Remove “zeros” What remains is the answer

Question 9

Display first expression Add the second expression to your display

Combine like terms Remove any zeros What remains is the answer

Question 10

Display first expression See if all of the terms from the second expression can be removed Not the way it is!

Insert zeros as needed

Remove second expression What remains is the answer!