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16x2 + 27x - 28 doesn't factor. Applying the quadratic formula, we find two real solutions:
(-27 plus or minus the square root of 2521) divided by 32
x = 0.725298776329149
x = -2.412798776329149

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11y ago
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Wiki User

11y ago

(4x - 5i)(4x + 5i)

x = 1.25i, -1.25i

where i is the square root of negative one.

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Wiki User

11y ago

Add 1 to both sides. The answer is (4x + 1)(4x + 1) or (4x + 1)2

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12y ago

(2x - 5)(2x - 5) or (2x - 5)2

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Q: How do you factor 4x2-20x plus 25?
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