TOLONG DONG NO 6 SM 7
Jawaban Terkonfirmasi
6)a)2{(2x-5)+(x+1)}
=2(2x+x-5+1)
=2(3x-4)
=6x-8
b)jika x=15 maka…
p=2(15)-5
=30-5
=25
l=15+1
=16.
berarti…
k=2(25+16)
=2(41)
=82.
7)a)D=(4x-12)3/4+(4x+8)3
=3x-9+12x+24
=15x+15
b) (4x-12)3/4 = 3x-6
=3(10)-9
=30-9
=21
(4x+8)3
=12x+24
=12(10)+24
=120+24
=144
berarti.→ 21+144=165
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