Question
Replace the symbol $\square$ with either $=$ or $\neq$ to make the resulting statement true for all real numbers $a, b$ $c,$ and $d,$ whenever the expressions are defined.$$-(a+b) \square-a+b$$
Step 1
We can do this by distributing the negative sign to both $a$ and $b$ inside the parentheses. This gives us $-a - b$. Show more…
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Replace the symbol $\square$ with either $=$ or $\neq$ to make the resulting statement true for all real numbers $a, b$ $c,$ and $d,$ whenever the expressions are defined. $$\frac{a b+a c}{a} \square b+a c$$
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