open square brackets table row 1 x 3 end table close square brackets open square brackets table row 1 3 2 row 2 5 1 row 15 3 2 end table close square brackets open square brackets table row 1 row 2 row x end table close square brackets equals 0

Find the value of x.

Asked by Gounshi | 12th Apr, 2020, 06:00: PM

Expert Answer:

TO find the value of x.
open square brackets table row 1 x 3 end table close square brackets open square brackets table row 1 3 2 row 2 5 1 row 15 3 2 end table close square brackets open square brackets table row 1 row 2 row x end table close square brackets equals 0
rightwards double arrow open square brackets table row cell 1 plus 2 x plus 45 end cell cell 3 plus 5 x plus 9 end cell cell 2 plus x plus 6 end cell end table close square brackets open square brackets table row 1 row 2 row x end table close square brackets equals 0
rightwards double arrow 1 plus 2 x plus 45 plus 6 plus 10 x plus 18 plus 2 x plus x squared plus 6 x equals 0
rightwards double arrow x squared plus 20 x plus 70 equals 0
x equals negative 10 plus-or-minus square root of 30

Answered by Renu Varma | 13th Apr, 2020, 02:43: PM