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Year 8
Algebra
Year 8
Learn With an Example
Questions
1
/
10
Time
Score
00
Square Of A Binomial
Expand: (19x
3
-12x
5
)
2
144x
10
-456x
8
+361x
3
144x
10
-456x
8
+361x
6
Expand: (15x+5)
2
225x
2
+150x+25
150x+25
Expand: (-8xy+18x)
2
64x
2
y
2
-288x
2
y+324x
2
64x
2
y
2
-288x
2
y+324x
Expand: (-20x
3
+10x)
2
400x
6
-400x
4
+100x
2
400x
6
-400x
4
Expand: (-18x-11)
2
324x
2
+396x+121
324x
2
+396x+120
Expand: (-14x+11)
2
196x
2
-308x+121
196x
2
-308x+122
Expand: (15x
2
+21x
3
)
2
441x
6
+630x
5
+225x
4
441x
6
+630x
5
Expand: (12x
4
-7)
2
144x
8
-168x
4
+46
144x
8
-168x
4
+49
Expand: (-12x
2
-25x
4
)
2
625x
8
+600x
6
+144x
4
625x
8
+600x
6
+144x
2
Expand: (13x-9)
2
169x
2
-234x+81
169x
2
-234x+82
Incorrect
Great!
It is done.