Expand and simplify the following expression: x(5x – 2) – 3(x2 – 2x + 7)
5x2 – 2x – 3x2 + 6x – 21= 2x2 + 4x − 21
Related Maths GCSE answers
All answers ▸There are a total of 50 apples and pears (apples + pears) in a large basket. If the total number of apples was doubled and the total number of pears was tripled, these two numbers would add up to 130. How many apples and pears are in the basket?
Simplify 125^-2/3
In 2017 the number of teachers in a school was 20. The number of teachers doubles each year. If in 2019 3/5 of the teachers are female how many male teachers are there in 2019?
Julia wants to buy a new computer. 20% VAT is added to the price of the computer so that she now has to pay £300. What was the original price of the computer without VAT.