(-3y+7)(-3y+7)=

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Solution for (-3y+7)(-3y+7)= equation:


Simplifying
(-3y + 7)(-3y + 7) = 0

Reorder the terms:
(7 + -3y)(-3y + 7) = 0

Reorder the terms:
(7 + -3y)(7 + -3y) = 0

Multiply (7 + -3y) * (7 + -3y)
(7(7 + -3y) + -3y * (7 + -3y)) = 0
((7 * 7 + -3y * 7) + -3y * (7 + -3y)) = 0
((49 + -21y) + -3y * (7 + -3y)) = 0
(49 + -21y + (7 * -3y + -3y * -3y)) = 0
(49 + -21y + (-21y + 9y2)) = 0

Combine like terms: -21y + -21y = -42y
(49 + -42y + 9y2) = 0

Solving
49 + -42y + 9y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(7 + -3y)(7 + -3y) = 0

Subproblem 1

Set the factor '(7 + -3y)' equal to zero and attempt to solve: Simplifying 7 + -3y = 0 Solving 7 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3y = 0 + -7 -3y = 0 + -7 Combine like terms: 0 + -7 = -7 -3y = -7 Divide each side by '-3'. y = 2.333333333 Simplifying y = 2.333333333

Subproblem 2

Set the factor '(7 + -3y)' equal to zero and attempt to solve: Simplifying 7 + -3y = 0 Solving 7 + -3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3y = 0 + -7 -3y = 0 + -7 Combine like terms: 0 + -7 = -7 -3y = -7 Divide each side by '-3'. y = 2.333333333 Simplifying y = 2.333333333

Solution

y = {2.333333333, 2.333333333}

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