Question

factories 7x^2-2x-5​

Answer 1

Answer:

(7x+5)(x-1)

Step-by-step explanation:

Factor the following:

7 x^2 - 2 x - 5

Factor the quadratic 7 x^2 - 2 x - 5. The coefficient of x^2 is 7 and the constant term is -5. The product of 7 and -5 is -35. The factors of -35 which sum to -2 are 5 and -7. So 7 x^2 - 2 x - 5 = 7 x^2 - 7 x + 5 x - 5 = x (7 x + 5) - (7 x + 5):

x (7 x + 5) - (7 x + 5)

Factor 7 x + 5 from x (7 x + 5) - (7 x + 5):

Answer:

(7 x + 5) (x - 1)

Answer 2

Answer:

x=5/12

Step-by-step explanation:

14x-2x-5=0

12x-5=0

12x=5

x=5/12

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