Expand and simplify (2x + 4)(3x - 5).
6x^2 - 10x + 12x - 20
6x^2 + 2x - 20
DS
Related Maths GCSE answers
All answers ▸John wants to invest £100 into a savings account for 15 years. If he invests in saving account A he will receive 3.5% simple interest and if he invests in savings account B he will receive 3% compound interest. Which account should he choose and why?
(4x + 3)/(x + 1) + 2 = 8
Work out the values of x and y using the equations 2x + 3y = 18 and x + y = 6
What is completing the square?