230.4=(2.5*l)*l

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Solution for 230.4=(2.5*l)*l equation: 


Simplifying
230.4 = (2.5l) * l

Remove parenthesis around (2.5l)
230.4 = 2.5l * l

Multiply l * l
230.4 = 2.5l2

Solving
230.4 = 2.5l2

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Add '-2.5l2' to each side of the equation.
230.4 + -2.5l2 = 2.5l2 + -2.5l2

Combine like terms: 2.5l2 + -2.5l2 = 0.0
230.4 + -2.5l2 = 0.0

Add '-230.4' to each side of the equation.
230.4 + -230.4 + -2.5l2 = 0.0 + -230.4

Combine like terms: 230.4 + -230.4 = 0.0
0.0 + -2.5l2 = 0.0 + -230.4
-2.5l2 = 0.0 + -230.4

Combine like terms: 0.0 + -230.4 = -230.4
-2.5l2 = -230.4

Divide each side by '-2.5'.
l2 = 92.16

Simplifying
l2 = 92.16

Take the square root of each side:
l = {-9.6, 9.6}

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