Solve for x.

Question

2x² - 5bx + 4cx - 10bc = 0

Answer 1

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Answer 2

Or, just using inspection, or distribution, or grouping,

2x^2 + (4c-5b)x - 10bc = 0
(2x - 5b)(x + 2c) = 0

so, x = 5b/2 or -2c