Answer is x=3 cuz x^2-7x-18=0, so you would Cancel out the -18 to make it a positive 18th then bring the positive 18 over to the zero and then add 18 to 0 obviously it’s 18 and then you figure out the X to the second power minus 7X which is just 6X because x to the 2 power is x then you subtract seven eggs from X which is 6X so than6X equals 18 and then divide 18 by 6 which is three so x=3