KK jawabkan dungs KK no 20 itu y KKtolong dong KK besok dikumpul

(-x²+2x-5) – (x²+8x-5)
-x²+2x-5 + (-x²-8x+5)
=-x²-x²+2x-8x-5+5
=-6

(-x² + 2x -5) – (x² + 8x -5)

= -x²- x² + 2x – 8x -5 -(-5)

= -2x² -6x

= 2x² + 6x

= 2( x²+3x)