Answer:
1/61.8 its right valu of x
Step-by-step explanation:
here we find the first valu and second is also same but there isx so cross the eqal side and get same answer
Answer:
x=9
Step-by-step explanation:
subtract 9 from both sides.
-3x = -27
divide by -3
x=9
X = (12 +- sqrt (144 -4(7)(3))/14
x = (12 + - sqrt (144 - 84))/14
x = (12 + - sqrt(60))/14
x = (12 + - 2sqrt 15))/14
x = (6 + - sqrt 15) / 7
