factorise
please it is urgent
x2–18x + 81
solve it
Answers
Answered by
5
X^2 - 18X +81
= x^2 -9x-9x + 81
= x(x -9) - 9(x-9)
=(x-9)(x-9)
= x = 9 or x= 9
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Answered by
2
Answer:
x²-18x+81
x²-9x-9x+81
x(x-9)-9(x-9)
(x-9)(x-9)
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