Question

3. Evaluate (x+5) (x - 16) using suitable identity.​

Answer 1

Answer:

heya mate ☺

$(x + 5)(x - 16) \\ = x ^{2} - 16x + 5x - 80 \\ = x ^{2} - 11x - 80$

⭐ hope it helps u ⭐

Answer 2

Answer:

x²-11x-80

Step-by-step explanation:

=x(x-16)+5(x-16)

=x²-16x+5x-80

=x²-11x-80