a. x²-3x+6x-7=0 b. 5x+8x-7(x²-x)=6
Matematika
Merliana11
Pertanyaan
a. x²-3x+6x-7=0
b. 5x+8x-7(x²-x)=6
b. 5x+8x-7(x²-x)=6
1 Jawaban
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1. Jawaban haradaraisa
A. = x²+3x-7 = (x+7) (x-4)
B = 13x -7x²+7x-6 = 0
= -7x² + 13x-6
=7x²-13x+6
= (x-1) (7x-6)