Solve for: (2)/(x-1)=x+4

Expression: $4 \times {4}^{2}$

If a term doesn't have an exponent, its implied exponent is $1$

${4}^{1} \times {4}^{2}$

Multiply the terms with the same base by adding their exponents

${4}^{1+2}$

Add the numbers

${4}^{3}$