Which expressions are equivalent to 6 + 12x ?
3(2 + 4x)
3(2 + 6x) + 2x
5(1 + 2x) + 1 + 2x
7(1 + 2x) - 2x - 1
7(1 + 2x) + 2x - 1

3(2 + 4x) = 6+ 12x

You have to multiply the number outside the parentheses with the numbers inside the parentheses

3(2 + 4x)

3 times 2 is 6

3 times 4x is 12x

=6+12

*I hope I helped you!*

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐