Math Problem Statement

2+[-2-5{7+2(3+14)}]

Solution

Let's break this expression down step by step:

Given expression: 2+[25{7+2(3+14)}]2 + [-2 - 5 \{ 7 + 2(3 + 14) \}]

Step 1: Simplify the parentheses first.

Inside the innermost parentheses: 3+14=173 + 14 = 17

Now, substitute this back into the expression: 2+[25{7+2(17)}]2 + [-2 - 5 \{ 7 + 2(17) \}]

Step 2: Simplify the multiplication within the brackets.

Multiply 2×17=342 \times 17 = 34, then substitute: 2+[25{7+34}]2 + [-2 - 5 \{ 7 + 34 \}]

Step 3: Add inside the curly brackets.

7+34=417 + 34 = 41

So, the expression becomes: 2+[25(41)]2 + [-2 - 5(41)]

Step 4: Simplify the multiplication.

Multiply 5×41=2055 \times 41 = 205, so we get: 2+[2205]2 + [-2 - 205]

Step 5: Simplify the terms inside the square brackets.

2205=207-2 - 205 = -207

Thus, the expression is now: 2+(207)2 + (-207)

Step 6: Add the final terms.

2+(207)=2052 + (-207) = -205

Final Answer:

205\boxed{-205}

Would you like more details on any of the steps, or do you have any questions?

Here are 5 related questions for further practice:

  1. Simplify 3+[43{2+5(1+2)}]3 + [-4 - 3\{2 + 5(1 + 2)\}].
  2. Solve 4+[16{8+3(2+5)}]4 + [1 - 6\{8 + 3(2 + 5)\}].
  3. Evaluate 2+[34{6+2(7+1)}]2 + [-3 - 4\{6 + 2(7 + 1)\}].
  4. Calculate 5+[13{9+4(2+6)}]5 + [-1 - 3\{9 + 4(2 + 6)\}].
  5. Simplify 1+[32{10+2(5+4)}]1 + [-3 - 2\{10 + 2(5 + 4)\}].

Tip: Always start simplifying from the innermost parentheses or brackets.

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Math Problem Analysis

Mathematical Concepts

Arithmetic
Order of Operations (PEMDAS)
Parentheses, Brackets, and Braces

Formulas

PEMDAS: Parentheses, Exponents, Multiplication/Division, Addition/Subtraction

Theorems

Order of Operations

Suitable Grade Level

Grades 6-8