1. (x² +4x-1)-(2x²+4x) 2. (2x+5)-(x-3) 3. 2y²-x+4-y²+3x-5 4. 6x-4y²+z-2x+y²-3z 5. 3(x-y²+2)-5(2x+3y²-2) Tolong y.. ^_^
Matematika
alyaputri16
Pertanyaan
1. (x² +4x-1)-(2x²+4x)
2. (2x+5)-(x-3)
3. 2y²-x+4-y²+3x-5
4. 6x-4y²+z-2x+y²-3z
5. 3(x-y²+2)-5(2x+3y²-2)
Tolong y.. ^_^
2. (2x+5)-(x-3)
3. 2y²-x+4-y²+3x-5
4. 6x-4y²+z-2x+y²-3z
5. 3(x-y²+2)-5(2x+3y²-2)
Tolong y.. ^_^
1 Jawaban
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1. Jawaban pia93
1. 2x2+4x2-8x2+16x2-2x2-4x
=8x2+8x2-2x2-4
=16x2-2x2-4
=14x2-4
2. 2x2-6x-5x-15
= 2x2-11x-15
3. 2y2-y2-x+3x-5
= y2+2x-5
4. 6x-2x-4y2+y2+z-3z
=4x-3y2-2z
maaf