Question

simplify the using property: (–8 )×9 + (–8 ) × 7

Answer 1

(–8 )×9 + (–8 ) × 7
= -8(9+7)
= - 8*16
= - 128

Answer 2

Answer:

-128

Step-by-step explanation:

Given:- The given equation is  (–8 ) × 9 + (–8 ) × 7

To Find:- Value of the given equation using a property.

Solution:-

As we know, Distributive Law of Multiplication is

                   (a × b) + (a × c) = a × (b + c)

Here, the given equation is  (–8 ) × 9 + (–8 ) × 7

So, let a = -8, b = 9 and c = 7.

∴  (–8 ) × 9 + (–8 ) × 7

The above equation can be written as

= ( -8 ) × ( 9 + 7 )       [ ∵ (a × b) + (a × c) = a × (b + c) ]

= ( -8 ) × 16

= - 128

Therefore, value of the equation (–8 ) × 9 + (–8 ) × 7 is -128.

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