Answered

x+7=0 x-4=0 (x+7)(x-4)=0 how would you compare the three questions? what value(s) of x would make each equation true?

Verified Answer :

konrad509

\((x+7)(x-4)=0 \Leftrightarrow x+7=0 \vee x-4=0\\ x=-7 \vee x=4\)

\(x+7=0 \\ \boxed{x=-7} \\ \\ x-4=0 \\ \boxed{x=4} \\ \\ (x+7)(x-4)=0\)
\(x+7=0\) or \(x-4=0\)
\(x=-7\) or \(x=4\)

S= {-7 ; 4}

Related Questions