Question

x2-18x+77=0. quadratic equation​

Answer 1

Answer:

x2 – 18x + 77 = 0 x2 – 7x – 11x + 77 = 0 x (x – 7) – 11(x – 7) = 0 (x – 11)(x – 7) = 0 either (x – 11) = 0 or (x – 7) = 0 x = 11 or 7

Answer 2

Step-by-step explanation:

solving by factorization methd:

=

${x}^{2} - 11x - 7x + 77$

=

$x(x - 11) \: - 7(x - 11)$

=

$(x - 11)(x - 7)$

=Now; (x-11) =0

x=11

similarly x= 7