Solve 5x^2+2x=1 using either factoring, square root method, completing the square or quadratic formula.

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.

+ 2x - 1 = 0

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

answer:      

step-by-step explanation:

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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