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Anonymous
15xplus 3
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The GCF is 3.
You can take 3 out of both of those.
3(x + 4)(x + 1)
-9y-15x ---- -3
25x2+30x+9 25*9=225 15*15=225 15+15=3025x2+15x+15x+9[5*5xx 3*5x] [3*5x 3*3]5x(5x+3)+3(5x+3)(5x+3)(5x+3)Answer: (5x+3)2