1 answer:
Answer:
x² +5x +6
Step-by-step explanation:
First of all, eliminate parentheses. The minus sign on the second term affects all terms inside parentheses:
x² +6x +7 -x -1
Group like terms:
(x²) +(6x -x) +(7 -1)
Simplify those groups:
x² +5x +6 . . . . matches the last selection
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Answer:
b² ≈ 6.71
Step-by-step explanation:
The 
= 6.708
6.708 ⇒ 6.71
and 
≈ 45.0241
b² = 6.71
Answer:
34
Step-by-step explanation:
Answer:
32 + 12x + 32 = 28
12x + 64 = 28
12x= -36
x = -3
