1. 4x^2 + x - 4 = 0
2. x^2 + 3x - 504 = 0
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Answer:
1. (4x-1) (x+4)
Step-by-step explanation:
4x^2 + x -4
4x^2 + 16x - x -4
4x ( x + 4) - 1(x+4)
(x+4) (4x-1) (ans.)
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