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P-1 Quadratic Equations — Maths STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10MathsP-1 Quadratic Equations2 Marks
Question
Solve the following quadratic equation by factorization.
$7 m^2=21 m$
✓

Answer

$7 m^2-21 m=0$
$\Rightarrow 7 m( m -3)=0 $
$\Rightarrow 7 m=0 \text { or } m -3=0 $
$\Rightarrow m =0 \text { or } m =3$
Hence, $m =0$ or $m =3$ are roots of the equation.

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