x^2+2x+1
What is (x+1)(x+1)
x^2+16x+15
What is (x+1)(x+15)
x^2-16x+64
What is (x-8)(x-8)
x^2+20x+75
What is (x+15)(x+5)
x^2+5x-66
What is (x+11)(x-6)
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