L=(7-b)(5b-3)

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Solution for L=(7-b)(5b-3) equation:


Simplifying
L = (7 + -1b)(5b + -3)

Reorder the terms:
L = (7 + -1b)(-3 + 5b)

Multiply (7 + -1b) * (-3 + 5b)
L = (7(-3 + 5b) + -1b * (-3 + 5b))
L = ((-3 * 7 + 5b * 7) + -1b * (-3 + 5b))
L = ((-21 + 35b) + -1b * (-3 + 5b))
L = (-21 + 35b + (-3 * -1b + 5b * -1b))
L = (-21 + 35b + (3b + -5b2))

Combine like terms: 35b + 3b = 38b
L = (-21 + 38b + -5b2)

Solving
L = -21 + 38b + -5b2

Solving for variable 'L'.

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

Simplifying
L = -21 + 38b + -5b2

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