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Arithmetic · Arithmetic

Evaluate 3 + 4 * (2 - 1)^2

7

Step by step

  1. 3 + 4 \left(-1 + 2\right)^{2} = 3 + 4 \cdot 1^{2}

    Add: -1 + 2 = 1.

  2. 3 + 4 \cdot 1^{2} = 3 + 4 \cdot 1

    Power: 1^2 = 1.

  3. 3 + 4 \cdot 1 = 3 + 4

    Multiply: 4·1 = 4.

  4. 3 + 4 = 7

    Add: 3 + 4 = 7.

Reveal the answer
7