Respuesta :


Factor
7
x
7
x
out of
14
x
2
14
x
2
.
7
x
(
2
x
)
−
21
x
7
x
2
x
-
21
x
Factor
7
x
7
x
out of
−
21
x
-
21
x
.
7
x
(
2
x
)
+
7
x
(
−
3
)
7
x
2
x
+
7
x
-
3
Factor
7
x
7
x
out of
7
x
(
2
x
)
+
7
x
(
−
3
)
7
x
2
x
+
7
x
-
3
.
7
x
(
2
x
−
3
)
apologiabiology
note: * means multiply, so 5*4 means 5 times 4

21=7*3
x squared=x*x

so factors of 21x² are 1*3*7*x*x
alll the possible ones are
1
x
x²
3
3x
3x²
7
7x
7x²
21
21x
21x²