expand the following 4z2-4z+1
Answers
Answered by
1
Answer:
(2z-1)^ 2
Step-by-step explanation:
4z²-4z +1
Using formula (a-b)² = a² -ab +b²
= (2z-1)^ 2
Answered by
1
Answer:
((a+2y)+z)
2
=
(x+2y)
2
+z
2
+2(x+2y)z
x
2
+4y
2
+4xy+2
2
+(2x+4y)z
x
2
+4y
2
+2
2
+4xy+2xz+4yz
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