Question

What will be the answer of this:(-21)x[(-4)+(-6)] and why.?.. explain

Answer 1

-21 multiple -4+-6

-21multiple -4-6

-21 multiple 10

210

Answer 2

Solution:

(-21)×[(-4)+(-6)]

= (-21)(-4-6) [ Closure property]

= (-21)(-10)

= 210 [ Closure property]

Therefore,

(-21)x[(-4)+(-6)]= 210

Or

_______________

Distributive property:

A(B+C) = AB + AC

_______________

(-21)x[(-4)+(-6)]

= (-21)(-4)+(-21)(-6)

= 84+126

= 210

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