Answer:
_3×4=4×_3=-12,pardon me if I am wrong I am just a beginner ❤
[tex]\large\bf{\underline{Answer :}}[/tex]
[tex] \huge \: ( - 3) \times \underline{4} = 4 \times \underline{( - 3)}[/tex]
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[tex]\huge\bf{\underline{Proof :}}[/tex]
[tex]\large\bf{\underline{L.H.S :}}[/tex]
[tex]\large\bf{\underline{R.H.S :}}[/tex]
[tex]\large\bf{\underline{Hence }}[/tex]
[tex]\large\bf{\underline{L.H.S = R.H.S}}[/tex]