$8 \times {2}^{2}-2 \times 7$
Factor the expression$2\left( 4 \times {2}^{2}-7 \right)$
Write the number in exponential form with the base of $2$$2\left( {2}^{2} \times {2}^{2}-7 \right)$
Calculate the product$2\left( {2}^{4}-7 \right)$
Evaluate the power$2\left( 16-7 \right)$
Subtract the numbers$2 \times 9$
Multiply the numbers$18$