Just plug in the different numbers to see which ones equal 35.
I’m going to plug in x = -8 into the equation (x - 3)(x - 5) = 35 (-8 - 3)(-8 - 5) = 35 (substitute -8 for x) (-11)(-13) = 35 143 = 35 This answer is wrong because 143 does not equal 35
Now let’s plug in x = 10 (x - 3)(x - 5) = 35 (10 - 3)(10 - 5) = 35 (substitute 10 for x) (7)(5) = 35 35 = 35 This solution works because 35 equals 35