Respuesta :
Answer:
x=7 x=-5
Step-by-step explanation:
x^2 – 2x – 35 = 0
Factor
What two numbers multiply to -35 and add to -2
-7*5 = -35
-7+5 = -2
(x-7) (x+5 ) =0
Using the zero product property
x-7 =0 x+5 =0
x=7 x=-5
Answer: {7,-5}
Step-by-step explanation: To solve the equation x² - 2x - 45 = 0, factor the left side of the equation to get (x - 7)(x + 5).
To factor x² - 2x - 35, look for factors of -35 that that add to -2.
These factors are -7 and 5.
So now we have (x - 7)(x + 5) = 0.
So either x - 7 = 0 or x + 5 = 0.
Solving for x in each equation, our answer is {7,-5}.