How do you evaluate $(5k-9k ^ { 4} ) - ( 4k + 2k ^ { 4} ) + ( 8k - 6k ^ { 2} - 3k ^ { 4} )$ ?

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Answer 1 · 2017-11-21T05:42:42

$-14k^4-6k^2+9k$

We can simplify this by removing the parenthesis:

$(5k−9k^4)−(4k+2k^4)+(8k−6k^2−3k^4)$

$5k−9k^4−4k-2k^4+8k−6k^2−3k^4$

Now, we can combine the terms with the same degree:

$-14k^4-6k^2+9k$

We can't factor this expression, so that's our final answer! Hope this helps!

How do you evaluate (5k-9k ^ { 4} ) - ( 4k + 2k ^ { 4} ) + ( 8k - 6k ^ { 2} - 3k ^ { 4} )(5k-9k ^ { 4} ) - ( 4k + 2k ^ { 4} ) + ( 8k - 6k ^ { 2} - 3k ^ { 4} )?