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 ▸The first three terms of a sequence are a, b, c. The term-to-term rule of the sequence is 'Multiply by 2 and subtract 4'. Show that c = 4(a – 3).
15/7 + 5/4
How do I solve simultaneous equations when one of the equations is not linear?
Ben wants to book tickets to see a concert. The price of the ticket is £65. He must also pay a booking fee, which is 15% of the ticket price. Ben has £75, does he have enough money to pay for the ticket and booking fee?