Answer:
[tex]\boxed{\sf \ \ \ x^2 + x -72 = 0 \ \ \ }[/tex]
Step-by-step explanation:
Hello,
We need to use the distributive property which means that for a, b and c real numbers a(b+c)=ab+ac
So here we can write
[tex]x(x+1)=72\\<=> x*x+x*1=72\\<=> x^2 + x -72 = 0\\[/tex]
do not hesitate if you have any question