3 years ago

HELP PLEASE!

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

4 0

Answer:

Step-by-step explanation:

y=6x²+12x+2

y=4x²+16x+16

6x²+12x+2=4x²+16x+16

6x²-4x²+12x-16x+2-16=0

2x²-4x-14=0

x²-2x-7=0

x²-2x+1-1-7=0

(x-1)²=8

x-1=±√8=±2√2

x=1±2√2

x≈1±2.83

x≈3.83,-1.83

x=2√2 -1≈1.828≈1.83

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