Factorise(x+2y)²+(X+2Y)+12
Answers
Answered by
1
Step-by-step explanation:
Expand the square
(
+
2
)
2
+
(
+
2
)
+
1
2
(
+
2
)
(
+
2
)
+
(
+
2
)
+
1
2v
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