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Evaluate the expression (21 - 7) x (15-7)- 4 x 3
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Evaluate the expression (21 - 7) x (15-7)- 4 x 3

User Lemming
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2 Answers

3 votes

Answer: i got 84

Step-by-step explanation can you show me the ones you can pick please

User CharlieS
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5.6k points
7 votes

Remember to follow PEMDAS. First, solve the Parenthesis

21 - 7 = 14

15 - 7 = 8

(14) x (8) - 4 x 3

Solve the multiplications next.

112 - 12

Simplify. Subtract

112 - 12 = 100

100 is your answer

hope this helps

User Hailin Tan
by
5.3k points
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