(x - 3)(2x - 7)
3x2 - 8x = x(3x - 8)
7x-x2 = x(7-x)
(x+4)(x-7)
Factorise it: (x + 5)(3x - 8)
What about it? Factorise it?
(x - 3)(2x - 7)
13X squared + 7X + 12
X2 - 4= (x + 2)(x - 2)===========
( x2 - 121 ) = (x + 11) times (x - 11)
3x2 - 8x = x(3x - 8)
x(x-7)
7x-x2 = x(7-x)
5x2 + 9x + 13 has no real factors.
It is (x+6)(x+7) when factored
(x+4)(x-7)
Factorise it: (x + 5)(3x - 8)