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Here are pairs of equivalent expressions-one in standard form and the other in factored form. Find the missing numbers.
x² + Ox+O and (x-9) (x-3)
x² + 12x + 32 and (x+4) (x+O)
x²-12x + 35 and (x - 5) (x +O)
x²9x+ 20 and (x-4) (x+O)