Follow Order of Operations: First, we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often abbreviated as PEMDAS. We start with the parentheses. Calculate the expression inside the parentheses (6+2). 6 + 2 = 8Calculate Inside Parentheses: Next, we perform the division and multiplication from left to right. Divide 20 by 5 and then multiply the result by 2. 20 ÷ 5 = 4 4 × 2 = 8Division and Multiplication: Now, we multiply the result from the parentheses by 7. 8 × 7 = 56Multiply by 7: Finally, we subtract the result of the multiplication from the result of the first division and multiplication. 8 - 56 = -48

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$20 \div 5 \times 2-(6+2) \times 7$

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Algebra 1

Add and subtract polynomials

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20 \div 5 \times 2-(6+2) \times 7

Follow Order of Operations: First, we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often abbreviated as PEMDAS. We start with the parentheses. $\newline$ Calculate the expression inside the parentheses $(6+2)$ . $\newline$ $6 + 2 = 8$
Calculate Inside Parentheses: Next, we perform the division and multiplication from left to right. $\newline$ Divide $20$ by $5$ and then multiply the result by $2$ . $\newline$ $20 \div 5 = 4$ $\newline$ $4 \times 2 = 8$
Division and Multiplication: Now, we multiply the result from the parentheses by $7$ . $8 \times 7 = 56$
Multiply by $7$ : Finally, we subtract the result of the multiplication from the result of the first division and multiplication. $8 - 56 = -48$