Which shows the correct substitution of the values a, b, and c from the equation 1 = -2x + 3x² + 1 into the quadratic formula?
Quadratic formula: x=
- b ± √b² - 4ac
2a
O x=-(-2)V(-2)2 - 4(3)(0)
2 (3)
x
-(-2) +V(-2)2 - 4(3)(2)
2(3)
O x=-(-2)/(-2)2 - 4(3)(1)
2(3)
O x=-331 32 – 4(-2)(0)
2(-2)
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5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

69.64%

step-by-step explanation:

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