Question

(-21)*[(-4)+(-6)]=[(-21)*-(-4)]+[(-21)*(-6)]

Answer 1

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(-21)[-4-6] = -21×-10
= 210
[(-21)-(-4)]+(-21)(-6)
= -17+126
= 109

Answer 2

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$\huge\underline {\red {\bold {Answer}}}$

(-21)*[(-4)+(-6)]=[(-21)*-(-4)]+[(-21)*(-6)]

(-21)*[-4-6]=[84]+[126]

(-21)*[-10]=[210]

210=210