Question 39709
x^2 - 1/2x - 5/64
take out 1/64 to simplify the working out.
(64x² - 32x - 5)/64
now it factorises more easily,
(8x + 1)(8x - 5)/64
now divide the 64 back in by dividing each bracket by 8 each.
(x + 1/8)(x - 5/8)
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