Solve by factoring

x^2 -2x -24=0

1 answer

can you think of 2 numbers, one + the other -, so when multiplied you get -24 and when added you get -2 ?

how about -6,+4 ?

so ...
x^2 -2x -24=0
(x-6)(x+4) = 0
x = 6 or x = -4