Please expand this equation and simplify: (2x + 5)(9x -4)
There are 4 multiplication equations that need to be done:1) (2x) x (9x) = 18x22) (2x) x (-4) = -8x3) (5) x (9x) = 45x4) (5) x (-4) = -20Write this out as an equation: 18x2 - 8x + 45x - 20 This simplified becomes 18x2 + 37x - 20
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