Respuesta :
Answer:
x^2 -14x+49
Step-by-step explanation:
(x − 7)^2
(x-7) (x-7)
FOIL
first x*x = x^2
outer -7*x = -7x
inner -7*x = -7x
Last = -7*-7 = 49
Add them together
x^2 -7x-7x +49
x^2 -14x+49
Answer:
x^2 -14x+49
Step-by-step explanation:
(x − 7)^2
(x-7) (x-7)
FOIL
first x*x = x^2
outer -7*x = -7x
inner -7*x = -7x
Last = -7*-7 = 49
Add them together
x^2 -7x-7x +49
x^2 -14x+49