2√5X-4-3=11
DOES THIS HAS ROOTS OR NO ROOTS
√3x+4=1+√3x-11
when both sides of the equation are squared the resulting equation is
a.3x+4=3x-10
b.3x+4=2√3x-11+3x-10
c.3x+4=9x^2+122
2007-09-23 09:14:09 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
I am inserting parentheses
I am assuming 5x - 4 is the radicand
2√(5x-4)-3=11
2√(5x-4) =14
√(5x-4) = 7
5x-4 = 49
x = 53/5
Check
2√(5(53/5)-4)-3=11
2√(53-4)-3=11
2√(49)-3=11
2*7 - 3 = 11
14 - 3 = 11
11 = 11
Again, I am assuming where parentheses should be placed
Next time, insert the parentheses yourself
√(3x+4)=1+√(3x-11)
3x + 4 = 1 + 2√(3x-11) + 3x - 11
3x + 4 = 2√(3x-11) + 3x - 10
which is b
2007-09-23 09:26:08 · answer #1 · answered by Marvin 4 · 0⤊ 0⤋
be more clear about what is under the radical its hard to tell
2007-09-23 16:20:13 · answer #2 · answered by dragongml 3 · 0⤊ 0⤋