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15
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Sederhanakan: ( 𝑥 2 + 2 𝑥 − 1 ) + ( 3 𝑥 2 − 4 𝑥 + 5 )
(x 2 +3x 2 )+(2x−4x)+(−1+5)=4x 2 −2x+4
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10
×
Sederhanakan: ( 3 𝑥 + 4 𝑦 ) + ( 2 𝑥 − 5 𝑦 )
Gabungkan suku sejenis: ( 3 𝑥 + 2 𝑥 ) + ( 4 𝑦 − 5 𝑦 ) = 5 𝑥 − 𝑦 =5x−y
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15
×
Sederhanakan: ( 6 𝑝 − 4 𝑞 + 7 ) − ( 2 𝑝 + 𝑞 − 3 )
(6p−2p)+(−4q−q)+(7+3)=4p−5q+10
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15
×
Sederhanakan: ( 7 𝑎 − 2 𝑏 + 𝑐 ) − ( 3 𝑎 + 4 𝑏 − 2 𝑐 )
Kurangkan tiap suku: 7 𝑎 − 2 𝑏 + 𝑐 − 3 𝑎 − 4 𝑏 + 2 𝑐 = 7a−2b+c−3a−4b+2c=(7a−3a)+(−2b−4b)+(c+2c) = 4a -6b-3c
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10
×
Sederhanakan: ( 5 𝑥 − 3 ) + ( 4 − 2 𝑥 )
(5x−2x)+(−3+4)=3x+1
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×
thief
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25
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seesaw
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gift
Win 5 points!
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baam
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