Expand and simplify 3(m + 4) – 2(4m + 1)

Multiply through the 3 of the first bracket to get 3m +12. Then multiply out the second bracket by -2 to get -8m -2.

Write it out in a line: 3m + 12 - 8m -2

Simplify: -5m +10

Divide by -5 again to simplify further: m - 2

TD

Related Maths GCSE answers

All answers ▸

Solve equations 2x+y=9 and x+2y=6 to find x and y.


Solve the simultaneous equations: 2x-3y = 24 and 6x+2y = -5


A stationary ball starts rolling down a hill, and after 5s it reaches a speed of 12m/s. From here the ground levels off, and the ball continues at this speed for 3 more seconds. Plot this on a velocity-time diagram.


8x – 7 > 6x + 12