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## Answers

i.e, 9*8=72

when we add 18 and 4,we get 22.

so it becomes 9x^2-(18+4)x+8

i.e,9x(x-2)-4(x-2)

so the factors are (x-2)(9x-4)

*9x^2-22x+8*

*9x^2-18x-4x+8*

*9x(x-2)-4(x-2)*

*(9x-4)(x-2)*

*9x-4=0 x-2=0*

*9x=4 x=2*

*x=4/9*

*Therefore, x=4/9 or 2*