Class 10

Math

All topics

Quadratic Equations

Solve

$27x_{3}−x_{3}64 $

$A]27x_{3}−x_{3}64 =0$

= Let $x_{3}=y$ $=x_{2}=32 $

$=27_{y}−y64 =0$ $=x_{2}=34 $

$=y27y_{2}−64 =0$ $=±34 =±3 2 $

$=27y_{2}−64=0$

$=27y_{2}=64$

$=y_{2}=64/27$

$=(x_{3})_{2}=64/27$

$=(x_{3})_{2}=2_{3}×2_{3}/3_{3}$

$=(x_{2×3})=3_{3}(2×2)_{3+3} $+