(3l+9)(3l-9)=product

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Solution for (3l+9)(3l-9)=product equation:


Simplifying
(3l + 9)(3l + -9) = product

Reorder the terms:
(9 + 3l)(3l + -9) = product

Reorder the terms:
(9 + 3l)(-9 + 3l) = product

Multiply (9 + 3l) * (-9 + 3l)
(9(-9 + 3l) + 3l * (-9 + 3l)) = product
((-9 * 9 + 3l * 9) + 3l * (-9 + 3l)) = product
((-81 + 27l) + 3l * (-9 + 3l)) = product
(-81 + 27l + (-9 * 3l + 3l * 3l)) = product
(-81 + 27l + (-27l + 9l2)) = product

Combine like terms: 27l + -27l = 0
(-81 + 0 + 9l2) = product
(-81 + 9l2) = product

Solving
-81 + 9l2 = cdoprtu

Solving for variable 'l'.

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

Add '81' to each side of the equation.
-81 + 81 + 9l2 = 81 + cdoprtu

Combine like terms: -81 + 81 = 0
0 + 9l2 = 81 + cdoprtu
9l2 = 81 + cdoprtu

Divide each side by '9'.
l2 = 9 + 0.1111111111cdoprtu

Simplifying
l2 = 9 + 0.1111111111cdoprtu

Reorder the terms:
-9 + -0.1111111111cdoprtu + l2 = 9 + 0.1111111111cdoprtu + -9 + -0.1111111111cdoprtu

Reorder the terms:
-9 + -0.1111111111cdoprtu + l2 = 9 + -9 + 0.1111111111cdoprtu + -0.1111111111cdoprtu

Combine like terms: 9 + -9 = 0
-9 + -0.1111111111cdoprtu + l2 = 0 + 0.1111111111cdoprtu + -0.1111111111cdoprtu
-9 + -0.1111111111cdoprtu + l2 = 0.1111111111cdoprtu + -0.1111111111cdoprtu

Combine like terms: 0.1111111111cdoprtu + -0.1111111111cdoprtu = 0.0000000000
-9 + -0.1111111111cdoprtu + l2 = 0.0000000000

The solution to this equation could not be determined.

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