$$(-12) \times [(-4)]=[(-12) \times (-4)]-[(-12) \times 9]$$
$\text{false}$
$$48=-12\left(-4\right)-\left(-12\times 9\right)$$
$$48=48-\left(-12\times 9\right)$$
$$48=48-\left(-108\right)$$
$$48=48+108$$
$$48=156$$
$$\text{false}$$
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