it is (x-y)(x-y) :)
15
(y + 8)(y - 7)
(a + x^2)(b + y^2)
(3x - y+ 2)(3x + y + 2)
it is (x-y)(x-y) :)
35
15
15
The factoring is as follows: x2 - y2 = (x + y) * (x - y)
(y + 8)(y - 7)
(a + x^2)(b + y^2)
(3x - y+ 2)(3x + y + 2)
C2x + C2y = C2(x + y)
X + Y (X + Y) ^2 = (X+Y)(X+Y) Factor = (X + Y)
x(y - 1)(y + 1)
All you can do to factor that expression is to divide both terms by y: y2 + 4y = y(y + 4)