Expand this bracket: 2(3a + 5)

2(3a + 5) :

First you have to multiply everything inside the bracket by the number outside the bracket: = 2 x 3a + 2 x 5 or = (2 x 3a) + (2 x 5)

This can then be simplified to give the answer: (2 x 3a) = 6a (2 x 5) = 10
So: = 6a + 10

FR

Related Maths 11 Plus answers

All answers ▸

How many thirds are there in 9?


A drawer contains ten identical yellow socks, eight identical blue socks and four identical pink socks. Amrita picks socks from from the drawer without looking. What is the smallest number of socks she must pick to be sure that she has at least two pairs


How many thirds are there in 12?


Find the slope of the line perpendicular to the line y = (1/5)x - 2