49x2+28x+4 = (7x+2)(7x+2) when factored
(7x + 4)(49x^2 - 28x + 16)
It is: 4(6x+x) = 24x+4x => 28x
Divide all terms by 4:- x2+7x+12 = (x+3)(x+4) when factored
32
you multiply 4 and 7 and keep the x so it would be 28x and then add 11 and you get 39x
4
If you mean 2x+4(7x-1) then 2x+28x-4=30x-4=2(15x-2) If you mean 2x+4(7x)-1 then 2x+28x-1=30x-1
Not factorable
28x(6-7)\4
(2x+4)(x+1)
a2 - 4a + 4
(2x + 1)(x + 4)