Answer:
x=7
Step-by-step explanation:
9x+20x+16+12x+10+7x-2=360
48x+24=360
48x=360-24
48 x=336
x=336/48=7
The value of y is 16.
You have to substitute x = 2 into the equation :
Let x = 2,
Answer: false
-3 + sqrt 42
-3 - sqrt42
assuming you want me to factor it and then find the roots:
2x^2 +12x-66
2(x^2 + 6x-33)
25. 6.341%
26. 85.3%