Asked by Adriana

(7ab+4a2b4)+(a2b4-7ab)


The 2 and 4 are on top of the a and b. (sqare #)
Answered by MathMate
You need to find the like terms, for example, a²b<sup>4</sup> and 4a²b<sup>4</sup> are like terms.
You can add them together to make 5a²b<sup>4</sup>.
So
a²b<sup>4</sup>+4a²b<sup>4</sup>=5a²b<sup>4</sup>

Like terms must have the same variables each raised to the same power. We can add like terms by adding the coefficients, as we did above.
Answered by Adriana
ahh so the 7ab cancels because of the -7ab so answer is 5a²b4. I thought it was 4a4b8


Thank you
Answered by Damon
yes 7 a b - 7 a b = 0
and the answer is
5 a^2 b^4
Answered by MathMate
Your answer is correct.
Answered by Adriana
so its 4a^2b^8?
Answered by MathMate
I mean this is correct:
"ahh so the 7ab cancels because of the -7ab so answer is 5a²b4."
Answered by Henry
Post it.
Answered by MathMate
"...so answer is 5a²b4"
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