Question

factors of x square + 18x + 81 are

Answer 1

Answer:

=> x²+18x+81

=> x² +9x +9x +81 = 0

=> x(x+9) + 9(x+9) = 0

=> (x+9) (x+9) = 0

=> x+9 = 0 & x+9 = 0

=> x = -9 & x = -9

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