What is factor 1-x^2-9y^2-6xy ?

The solution to factor 1-x^2-9y^2-6xy is -(x+3y+1)(x+3y-1)

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factor 1-x^2-9y^2-6xy

factor

1 - x^{2} - 9 y^{2} - 6 x y

- (x + 3 y + 1) (x + 3 y - 1)

Solution steps

1 - x^{2} - 9 y^{2} - 6 x y

= (- x^{2} + 1) + (- 6 x y - 9 y^{2})

Factor out

- 1

from

- x^{2} + 1 : - (x^{2} - 1)

Factor out

- 3 y

from

- 6 x y - 9 y^{2} : - 3 y (2 x + 3 y)

= - (x^{2} - 1) - 3 y (2 x + 3 y)

Factor out

- 1

= - ((x^{2} - 1) + 3 y (2 x + 3 y))

Remove parentheses:

(a) = a

= - (x^{2} - 1 + 3 y (2 x + 3 y))

Expand

x^{2} - 1 + 3 y (2 x + 3 y) : x^{2} - 1 + 6 x y + 9 y^{2}

= - (x^{2} - 1 + 6 x y + 9 y^{2})

Factor

x^{2} - 1 + 6 x y + 9 y^{2} : (x + 3 y + 1) (x + 3 y - 1)

= - (x + 3 y + 1) (x + 3 y - 1)

6 a^{2} + 13 a + 6

lo g_{5} (2 x)

y^{4} + 6 y^{3} + 8 y^{2}

What is factor 1-x^2-9y^2-6xy ?
The solution to factor 1-x^2-9y^2-6xy is -(x+3y+1)(x+3y-1)