1. ( a - 2b )2 + 3 ab 2. ( x - 3 )2 3. (X + 5y ) ( x - y )
Matematika
Putriida
Pertanyaan
1. ( a - 2b )2 + 3 ab
2. ( x - 3 )2
3. (X + 5y ) ( x - y )
2. ( x - 3 )2
3. (X + 5y ) ( x - y )
1 Jawaban
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1. Jawaban tari333
1. (a - 2b)2 + 3ab
= 2a - 4b + 3ab
2. (x - 3)2
= 2x - 6
3. (x + 5y) (x - y)
= x^2 - xy + 5xy - 5y^2
= x^2 + 4xy - 5y^2