Factor x2 – 6x – 7. A. (x + 7)(x – 1) B. (x – 7)(x + 1) C. (x + 4)(x + 7) D. (x – 7)(x – 1)
Question
Asked 2/8/2019 12:14:18 PM
Updated 215 days ago|7/31/2023 1:31:27 PM
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User: Factor x2 – 6x – 7. A. (x + 7)(x – 1) B. (x – 7)(x + 1) C. (x + 4)(x + 7) D. (x – 7)(x – 1)

Weegy: x2 ? 6x ? 7= (x + 1)(x - 7)
|Score .9231|jeifunk|Points 92901|

User: Use the quadratic formula to solve 3x2 + 5x + 2 = 0. A. B. C. x = 2, –3 D. x = –2/3, –1

Question
Asked 2/8/2019 12:14:18 PM
Updated 215 days ago|7/31/2023 1:31:27 PM
Rating
3
To solve the quadratic equation 3x^2 + 5x + 2 = 0 using the quadratic formula, we have:

a = 3, b = 5, c = 2

The quadratic formula is given by:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

Substituting the values:

x = (-(5) ± sqrt(5^2 - 4(3)(2))) / 2(3)

x = (-5 ± sqrt(25 - 24)) / 6

x = (-5 ± sqrt1) / 6

Now, we have two solutions:

x = (-5 + 1) / 6 = -4/6 = -2/3

x = (-5 - 1) / 6 = -6/6 = -1

So the correct answer is: x = -2/3, -1.
Added 215 days ago|7/31/2023 1:27:06 PM
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