What is factor j^2-10j+9 ?

The solution to factor j^2-10j+9 is (j-1)(j-9)

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factor j^2-10j+9

factor

j^{2} - 10 j + 9

(j - 1) (j - 9)

Solution steps

j^{2} - 10 j + 9

Break the expression into groups

= (j^{2} - j) + (- 9 j + 9)

Factor out

j

from

j^{2} - j : j (j - 1)

Factor out

- 9

from

- 9 j + 9 : - 9 (j - 1)

= j (j - 1) - 9 (j - 1)

Factor out common term

j - 1

= (j - 1) (j - 9)

\frac{1}{i ^{2}}

- 2 x^{2} - 5 x - 4 = 0

x^{2} = 44

x^{2} + 5^{2} = 6^{2}

\frac{100 !}{99 !}