Question

For the polynomial –2m2n3 + 2m?n3 + 7n2 – 6m4 to be a binomial with a degree of 4 after it has been fully simplified, which must be the missing exponent on the m in the second term? 0 1 2 4

Answer 1

Answer:

(C)2

Step-by-step explanation:

Given the polynomial:

$-2m^2n^3 + 2m^{\boxed{x}}n^3 + 7n^2 - 6m^4$

where x is the missing exponent.

We desire our polynomial to be a binomial (have two terms) after simplification.

We observe that the first and second term are positive and negative of almost the same term.

Therefore, we rewrite the polynomial in such a way that the first and second term cancels out.

This is:

$-2m^2n^3 + 2m^{\boxed{2}}n^3 + 7n^2 - 6m^4\\ Simplified, we have:\\\\=7n^2 - 6m^4$

Therefore, the missing exponent on the m in the second term is 2.

Answer 2

Answer:

Its C on edg

Step-by-step explanation:

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