Question

divide
(x^4-10x^2+21) divided by (x^2-7)

Answer 1

The fourth-degree dividend can be factored as a quadratic in x^2 to
\[(x ^{2}- 3)(x ^{2}- 7).\]Cancellation leaves you with the answer.

Answer 2

so abtrehearn the 3 comes before the 7 and not vice versa

Answer 3

The order is irrelevant [commutative law of multiplication].

Answer 4

ok double checking

Answer 5

:^)