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Student IX
TUGAS Tentukan Penyelesaian dari : 0 x² + 5x + 4 =0 9) = 2x²+x+15=0 2) x² + 10x+16=0 3) x² + x +12=0 10) gx + 18x+8=0 " 4) x² – 3x - 28=0 Х - - +2 - 9 x + 20=0 5) x² 6) x² + 5x - 36=0 7) x² + 2x - 48=0 8)x² - 4x - 3250 +2
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Putra Gema Nusa
Rockstar Teacher GURU SMA
- U x4 + 5x + 4 = 0 (x +4)(x+1) = 0 X+4=0 Xt1=0 V X=-4 X = -1 g) x -3x – 28 =0 (x-7)(x+2) = 0 X-7=0 Xta=0 V* x=7 X=-4 7) x²+2x-48=0 (x+8)(x-6) - 8 X=-8 X+8=0 | X-6=0 X0 X=6 a 2 Y x+ 10x + 16 = 0 (x +8 )(x+2) = 0 X+8=0 IX+2=0 5) x2 -9x + 20 = 0 (x-4)(x-1) =0 X-4=0 X-t=0 8) X²=44-32=0 (x-8)(x + 4) = 0 X-8=0 IX+4=0 x+ 0 x=8 X=-4 V 5 X=-8 x = -2 x=4 X = 5 2 Đ 3) x² + 7% + 12 = 0 (x+3)(x+4) = 0 X+3=0 6. x² +5X-36=0 (x+3)(x-4) = 0 X+9=0 X-9=0 X=-g X4 X+4=0 v X VX-700 g 2x² + 3x + 15 =0 + XER 10) 9x2 +18X +8=0 (3x+4)(3x+2) =0 xs-q V X=-3 - X X 3-4 Pahamify
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