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dhgdzfbzdf6765
04.09.2020 •
Mathematics
Solve 5x^2+2x=1 using either factoring, square root method, completing the square or quadratic formula.
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Ответ:
x = -1 ± √6 / 5
Step-by-step explanation:
Solve
+ 2x = 1
move 1 to the left side of the equation by subtracting it from both sides.
Use the quadratic formula to find the solutions.
-b±
/ 2a
Substitute the values a = 5 , b = 2, and c = -1 into the quadratic formula and solve for x
-2±
/ 2 ⋅ 5
Simplify.
x = -2 ± 2
/ 10
x = -1 ±
/ 5
Exact Form:
x = -1 ±
/ 5
Ответ:
y=-3x-1
slope is -3 if thats needed
Step-by-step explanation:
I used this:
https://www.calculator.net/slope-calculator.html