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 ▸What should I do if I can’t answer this question?
How do I simplify a fraction with surds on the bottom when the surd is part of a function?
A circle has a radius of 4cm. An isosceles triangle has a base of 8 cm and a height of 12 cm. Which shape has the greatest area?
How is frequency density calculated?