Question

(k-4) (k-9) = 0 plzzzzzz solve this quadratic equation

Answer 1

Answer:

$(k - 4)(k - 9) = 0 \\ \: 1.k = 4 \\ 2.k = 9$

Answer 2

Step-by-step explanation:

(k-4)(k-9)=0

k^2-9k-4k+36=0

k^2-13k+36=0

b+√b^2-4ac/2.a

-

=13√(13)^-4×k×36/2k

=13√169-144k/2k. k will be cancelled out

= 13√25/2

=13×5/2

=65/2

=32.5