4x + 1 = x^2 + 3x - 1
4x = x^2 + 3x - 2
0 = x^2 -x - 2
0 = x^2 -x + 1 - 3
0 = (x - 1)^2 - 3
3 = (x - 1)^2
sqrt 3=(x-1) and (-(x-1))
x = 1+sqrt 3 and 1-sqrt 3
sqrt means square root

7 0

2 years ago

Paula traveled 65 miles per hour for 2.5 hours and then traveled 45 miles per hour for 3.5 hours what is the total distance in m

Naddik [55]

Answer:

320

Step-by-step explanation:

(45*3.5)+(65*2.5)=320

8 0

2 years ago

12 divided by 3 parenthesis 4

Stels [109]

12 divided by 3 equals 4. And the. Parentheses means multiply, so 4x4=16

Hope this helps! Good luck!

7 0

3 years ago

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