21y^2-46y+25=0

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Solution for 21y^2-46y+25=0 equation:


Simplifying
21y2 + -46y + 25 = 0

Reorder the terms:
25 + -46y + 21y2 = 0

Solving
25 + -46y + 21y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(1 + -1y)(25 + -21y) = 0

Subproblem 1

Set the factor '(1 + -1y)' equal to zero and attempt to solve: Simplifying 1 + -1y = 0 Solving 1 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1y = 0 + -1 -1y = 0 + -1 Combine like terms: 0 + -1 = -1 -1y = -1 Divide each side by '-1'. y = 1 Simplifying y = 1

Subproblem 2

Set the factor '(25 + -21y)' equal to zero and attempt to solve: Simplifying 25 + -21y = 0 Solving 25 + -21y = 0 Move all terms containing y to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + -21y = 0 + -25 Combine like terms: 25 + -25 = 0 0 + -21y = 0 + -25 -21y = 0 + -25 Combine like terms: 0 + -25 = -25 -21y = -25 Divide each side by '-21'. y = 1.19047619 Simplifying y = 1.19047619

Solution

y = {1, 1.19047619}

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