49x2+28x+4 = (7x+2)(7x+2) when factored
The value of x in the equation 49x2 plus 56x plus 16 is -2.04.
When factored it is: (7x+8)(7x-9)
It is : 218
49x2 - 56x + 16 = (7x - 4)2 so yes, it can be a perfect square.
True
(3b + 7x)(3b + 7x) or (3b + 7x)2
yes, (7x - 4)2
It is (x+4)(x+5) when factored
98
x2 - 81y2 = (x + 9y) (x - 9y)The actual numerical value depends on the values of 'x' and 'y'.
2(a+b) is 2a plus 2b in factored form.