What is factor 100x^2-80x-9 ?

The solution to factor 100x^2-80x-9 is (10x+1)(10x-9)

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factor 100x^2-80x-9

factor

100 x^{2} - 80 x - 9

(10 x + 1) (10 x - 9)

Solution steps

100 x^{2} - 80 x - 9

Break the expression into groups

= (100 x^{2} + 10 x) + (- 90 x - 9)

Factor out

10 x

from

100 x^{2} + 10 x : 10 x (10 x + 1)

Factor out

- 9

from

- 90 x - 9 : - 9 (10 x + 1)

= 10 x (10 x + 1) - 9 (10 x + 1)

Factor out common term

10 x + 1

= (10 x + 1) (10 x - 9)

27 + 108

\frac{4}{7} - \frac{3}{7}

1 - x^{- 2}

- \frac{3}{4} \times 8

9. 3^{2}

What is factor 100x^2-80x-9 ?
The solution to factor 100x^2-80x-9 is (10x+1)(10x-9)