Which expression can you simplify by combining like terms? 6d2 5cd−3dc 86d2 5cd-3dc 8 12c2−8d2c 3dc 412c2-8d2c 3dc 4 7d2−3c2 6d−c7d2-3c2 6d-c 16c2 8cd 7c−8d

The correct option is 1.

Step-by-step explanation:

If terms have same variables with same degree, then the terms called like terms.

In option 1,

The given expression is

Using commutative property of multiplication.

                 (cd=dc)

Now 5cd and -3cd are like terms. Combined like terms.

Expression 1 can be simplify by combining like terms. Therefore option 1 is correct.

In option 2,3 and 4,

The given expressions are

In these expressions, there are no like terms. Therefore option 2, 3 and 4 is incorrect.

the answer i think is a)

step-by-step explanation:

im alright what do you need

step-by-step explanation: