Q: How do you factor x2-y2 plus 7x plus 7y?

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7x + 8y

the answer to this problem is -2x^2y^2

y^2 + 7y + 12 = (y+4)(y+3)

7y+3x-21 =0 7y = -3x+21 y = -3/7x+3 The y intercept is 3

(y + 5) (y + 2)

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7x + 8y

the answer to this problem is -2x^2y^2

y^2 + 7y + 12 = (y+4)(y+3)

7y+3x-21 =0 7y = -3x+21 y = -3/7x+3 The y intercept is 3

The GCF is 7.

8y + 7y = 15ySo [ 8y + 9 + 7y ] = 15y + 9If you want to get fancy and factor that expression, it's 3(5y + 3) .

(y + 5) (y + 2)

(x + 5y)(x + 7y)

7(y + 4)

-8(x - 7y)(x + 2y)

5x(6x + 7y + 8)

21-7y+3x-xy7(3-y)+x(3-y)