- K2 - (2k –5n) + 9n; k= -1 and n= - 3

Mathematics

2 answers:

NNADVOKAT [17]2 years ago

7 0

Answer:

$-41$

Step-by-step explanation:

Given:

$-k^2 -(2k -5n) +9n ; k = -1 \space \text{and} \space n = -3$

$-(-1)^2 -(2(-1) -5(-3)) +9(-3) \\ -(-1)^2 -(-2+15) +9(-3) \\ -(-1)^2 -(13) +9(-3) \\ -(1) -13 +9(-3) \\ -1 -13 -27 \\ -41$

TiliK225 [7]2 years ago

7 0

Answer:

Step-by-step explanation:

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