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To factor x^2+6x+9, find factors of 9 with ___________ signs, whose sum is_________

Sagot :

Wilviedelacruzviz
x^2+3x+3x+9
(x^2+3x)+(3x+9)
x(x+3)+3(x+3)
(x+3)(x+3)
 the factor of nine is 3,3 with positive signs both, whose sum of 6.