Question

(-21) x[(-6)+(-4)]=(-21)x(-6)+(-21)x(-4)​

Answer 1

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Answer 2

$\huge{\underline{\tt{(-21) x[(-6)+(-4)]=(-21)x(-6)+(-21)x(-4)}}}$

$\huge{\underline{\tt{\green{Solution-}}}}$

${\huge\underline{\tt{\green{LHS-}}}}$

$\longrightarrow \sf{(-21)\times[(-6)+(-4)]}$

$\longrightarrow \sf{(-21)\times(-10)}$

$\longrightarrow \sf\blue{=210}$

$\huge{\underline{\tt{\green{RHS-}}}}$

$\longrightarrow \sf{(-21)\times(-6)+(-21)\times(-4)}$

$\longrightarrow \sf{84\times126}$

$\longrightarrow \sf\blue{=210}$

$\longrightarrow \sf\green{LHS = RHS}$

$\huge\longrightarrow \sf\green{Hence\:proved}$