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4 years ago

9

X2 + 10x – 11 = (x - 1) x2 + 12x + 11

1 answer:

lora16 [44]4 years ago

5 0

Answer:

x²+12x+11=(3x+21)

Step-by-step explanation:

x²+10x–11=(x–1) (+2x)

x²+12x–11=(3x–1) (+22)

x²+12x+11=(3x+21)

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