recall that (a+b)^2 = a^2 + 2ab + b^2
so, the second one is
(x - 5)^2 = x^2 - 10x + 25
do the others in like wise. Consult your text for other examples, or use google if needed.
Write each of the following as a trinomial of the form ax^2 + bx + c
A.
(x + 2)^2
B.
(x - 5)^2
C.
(x + 4)^2
1 answer