(x-A)(x+A)= x^2 - A^2
hence A^2 =x^2 - 2009 =16
A = square root of 16 = +4, -4
What is the value of A in the multiplication sentence if x=45?
(x+a)(x-A)=2009
1 answer
(x+a)(x-A)=2009
1 answer
0 answers
1 answer
3 answers
1 answer