2 -x-2-2 -2 is equal toA- 2x-2B- 24 x -4- 24 x -2D- 2 x -4

The correct option is D 2(x+4) We know that multiplying two numbers separately by 2 nbsp;and then adding is same as multiplying the sum of two numbers by 2. ...

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Standard VII

Mathematics

Multiplication

2 ×x+2+2 ×2 i...

Question

$2 \times (x + 2) + 2 \times (2)$ is equal to ______.

$2 (x + 2)$

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$2 (4 x + 4)$

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$2 (x + 4)$

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$2 (4 x + 2)$

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Solution

The correct option is C
$2 (x + 4)$

We know that multiplying two numbers separately by 2 and then adding is same as multiplying the sum of two numbers by 2.

i.e., If $x$ and $y$ are any two numbers, then $2 x + 2 y = 2 (x + y)$

So, $2 \times (x + 2)) + 2 \times (2)$
$= 2 [(x + 2) + (2)]$
$= 2 \times (x + 4)$
$= 2 (x + 4)$

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2×(x+2)+2×(2) is equal to ______.

The correct option is C 2(x+4) We know that multiplying two numbers separately by 2 and then adding is same as multiplying the sum of two numbers by 2. i.e., If x and y are any two numbers, then 2x+2y=2(x+y) So, 2×(x+2))+2×(2) =2[(x+2)+(2)] =2×(x+4) =2(x+4)

$2 \times (x + 2) + 2 \times (2)$ is equal to ______.