Question

Classify the following into like terms and unlike terms: 7xy, 9y², -5xy, -2xyz​

Answer 1

Answer:

Remove all parentheses. I suggest writing the problem vertically rather than horizontally because it makes the next step must easier. When adding, distribute the positive (or addition) sign, which does not change any of the signs. When subtracting, distribute the negative (or subtraction) sign, which changes each sign after the subtraction sign.

Step 2: Combine like terms. This step is much easier if things are written vertically because like terms are written above one another. Remember that to combine like terms the variable and the power of each variable must be exactly the same.

Example 1 – Simplify: (3x3 – 5x + 9) + (6x3 + 8x – 7)

Step 1: Remove all parentheses.

Step 1

Step 2: Combine like terms.

Step 2

Answer 2

Step-by-step explanation:

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