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Multiply (x + 3y + 5) by (2x2 + 5y + 2)
Question 1
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Multiply (x + 3y + 5) by (2x2 + 5y + 2)
2x
2
+ 3yx
2
+ 10xy + 15y
2
+ 13y + 10x
2
+ 2x + 10
2x
3
+ 6yx
2
+ 5xy + 15y
2
+ 31y + 5x
2
+ 2x + 10
2x
3
+ 6xy
2
+ 5xy + 15y
2
+ 12y + 10x
2
+ 2x = 10
2x
2
+ 6xy
2
+ 5xy + 15y
2
+ 13y + 10x
2
+ 2x + 10
2x
3
+ 2yx
2
+ 10xy + 10y
2
+ 31y + 5x
2
+ 10
Answer Details
Read lesson note on Algebraic Expressions (WAEC)
Algebraic Expressions
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