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saul85 [17]
3 years ago
8

Find the difference. k k2 − 9k + 20 − 5 k2 − 9k + 20

Mathematics
1 answer:
rosijanka [135]3 years ago
5 0
This is the concept of algebra, to get the difference of the expression given we proceed as follows;
(k^2-9k+20)-(k^2-9k+20)
collecting like terms we get:
(k^2-5k^2)+(-9k-9k)+(20-20)
=-4k^2-18k+0
=-4k^2-18k
The answer is (-4k^2-18k)
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