Math, asked by kouserhajira786, 4 months ago

e. (9k2 - 36k + 36) = (3k - 6)​

Answers

Answered by shikharkhetan
2

9k^{2}-36 k+36 = 3 k -6

9k^{2}-39 k+42 = 0

9k^{2}-18 k -21 k +42 = 0

9 k ( k- 2 ) - 21 (k - 2) = 0

(k-2) (9k-21) = 0

When

k-2=0

k=2 Ans.

When

9k-21=0

k = \frac{21}{9}

k = \frac{7}{3} Ans

Similar questions