sederhanakan bentuk aljabar berikut: 1. (5x+xy+4y)+(4x-xy+3y) 2. (5p-6+pq)-(p+2pq-1) 4. 3(y²-3)-(4y²+5y+6) 5. 2(x-3y+xy)-2xy+3x
Matematika
jahra17
Pertanyaan
sederhanakan bentuk aljabar berikut:
1. (5x+xy+4y)+(4x-xy+3y)
2. (5p-6+pq)-(p+2pq-1)
4. 3(y²-3)-(4y²+5y+6)
5. 2(x-3y+xy)-2xy+3x
1. (5x+xy+4y)+(4x-xy+3y)
2. (5p-6+pq)-(p+2pq-1)
4. 3(y²-3)-(4y²+5y+6)
5. 2(x-3y+xy)-2xy+3x
1 Jawaban
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1. Jawaban kokobop8
1. (5x+xy+4y)+(4x-xy+3y)
= 20x²-5x²y+15xy+4x²y-x²y²+3xy²+16xy-4xy²+12y²
=20x²-5x²y+4x²y+15xy+16xy-x²y²+3xy²-4xy²+12y²
=20x²-x²y+31xy-x²y²-xy²+12y²