Question

(x-5)(x-8) using suitable identity

Answer 1

here we use the identity

x2+ax+bx+ab

= x2-5x-8x+40

= x2-13x+4o is your answer

$<marquee \: is \: x$

x2-13x+40

$<marquee \: i \: y$

Answer 2

(x-5)(x-8)

= x^2 -8x-5x-5×(-8)

= x^2 -8x -5x+40

= x^2 -13x+40

hope it help u dear ✔

@ansika