Question

how do you add and subtract algebraic expressions??

Answer 1

If their degrees and variables are same then you can subtract the algebric experssion
ex-
x^2 - 2x^2
just let the variable intact and do operate their values
so x^2 will be there along with 1-2= -1
thereforee
-x^2 is the answer.
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Answer 2

You can add or subtract algebraic expressions when the two expression s are either variables or constants . In case of one variable and one constant you cannot add or subtract them.


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