Sederhanakan bentuk aljabar berikut A.8-4(2x+5) B.8(3+4y)-5(4x-6y) C.5x(4x-3y+3x(5+2y)
Matematika
febriannur21
Pertanyaan
Sederhanakan bentuk aljabar berikut
A.8-4(2x+5)
B.8(3+4y)-5(4x-6y)
C.5x(4x-3y+3x(5+2y)
A.8-4(2x+5)
B.8(3+4y)-5(4x-6y)
C.5x(4x-3y+3x(5+2y)
1 Jawaban
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1. Jawaban AmandhaByndasya
A.8-4(2x+5) = 16x+40-8x-20 = 8x-20
B.8(3+4y)-5(4x-6y) = 24+32y-20x+30y = -20x+62y+24
C.5x(4x-3y+3x(5+2y) = 5x(4x-3y+15x+6xy) = 20x²-15xy+65x²+30x²y = 85x²-15xy+30x²y