Simplify \(\frac{3t + 6}{3t}\). The numerator of this fraction will factorise as there is a common factor of 3. This gives \(\frac{3(t + 2)}{3t}\). Now, there is clearly a common factor of 3 between ...

Multiplying by an Expression That Can Be Zero: This is the most common culprit. If you multiply both sides of an equation by an expression that could potentially equal zero for some value of the ...