What is (+3)*(-2)*(-4)*(+5) ?

The solution to (+3)*(-2)*(-4)*(+5) is 120

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(+3)(-2)(-4)*(+5)

(+ 3) \cdot (- 2) \cdot (- 4) \cdot (+ 5)

120

Solution steps

(3) (- 2) (- 4) (5)

Follow the PEMDAS order of operations

Multiply and divide (left to right)

Apply rule

(a) \cdot (- b) = - a \cdot b

(3) (- 2) = - 3 \cdot 2 = - 6

= - 6 (- 4) (5)

Apply rule

- a \cdot (- b) = a \cdot b

- 6 (- 4) = 6 \cdot 4 = 24

= 24 (5)

24 \cdot (5) = 120

= 120

55 \div (4 + 1) \times 3 - 3^{2}

- 9 + 4 + (- 2)

3 (1)^{2} - 5 (1)

3^{2} - 2 (3)

- \frac{1}{2} (- 2)^{2} + 5