The value of x in the equation 49x2 plus 56x plus 16 is -2.04.
49x2 - 56x + 16 = (7x - 4)2 so yes, it can be a perfect square.
(7x + 8)(7x - 8)
(7x - 22)(7x + 22)
True
It is : 218
(7x + 8)(7x - 9)
When factored it is: (7x+8)(7x-9)
yes, (7x - 4)2
196 98x2=196 49x2=98 7x7=49 2x2&7x7
(3b + 7x)(3b + 7x) or (3b + 7x)2
49x2+28x+4 = (7x+2)(7x+2) when factored