Question

What are the counter examples (x+4)²=x+16 to show that the conjucture is false

Answer 1

yes the conjucture is false because

(a+b)

= a^2 +b^2+ 2ab

so....

(x+4)^2=x^2+4^2+2×x×4

=x^2+16+8x

I hope it helps you .....