What are the solutions of the equation (x + 2)2 + 12(x + 2) – 14 = 0? Use u substitution and the quadratic formula to solve. x =
negative 8 plus-or-minus 5 StartRoot 2 EndRoot x = negative 6 plus-or-minus 5 StartRoot 2 EndRoot x = negative 4 plus-or-minus 5 StartRoot 2 EndRoot x = negative 2 plus-or-minus 5 StartRoot 2 EndRoot
2 answers:
Answer:
B. 
Step-by-step explanation:
substitute u for (x+2)

use the quadratic formula



Then set everything equal to u: (x+2)

u-2= -12 plus-or-minus 10 sqrt{2}/2
Answer:
A:
Step-by-step explanation:
Edg 2020
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Answer:
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