Question

please answer it's urgent​

Answer 1

Answer:

I hope it is helpful........

Answer 2

Answer:

x=6 and x=-7

Step-by-step explanation:

0=42-x-x^2

0=x^2 + x - 42

0= x^2 +7x - 6x -42

0=x(x+7) - 6(x+7)

0=(x-6) and 0=(x+7)

thus, X=6 and x=-7