Please expand (y+2)(y-3).

We will use the FOIL method. Here FOIL stands for: First, Outside, Inside, Last.
This means we start by multiplying the first terms in each bracket together to get y2 .
Then we multiply the outside terms together, these are the furthest left and furthest right terms, so y and -3 giving -3y. (Don't forget the minus sign!)
Next we multiply the inside terms (the middle two terms) which are 2 and y giving 2y.
Finally we multiply the last terms in each bracket together which gives 2 x -3= -6.
Now add them together and write it out: (y+2)(y-3)=y2+2y-3y-6
Now collect like terms to give y2-y-6.

Answered by Mary B. Maths tutor

5526 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the following simultaneous equations: 2y+x=8 , 1+y=2x


Lily goes on a car journey. For the first 30 min. her average speed is 40 mph. She then stops for 15 min. She then completes the journey at an average speed of 60 mph. The total journey time is 1 h. What is her overall average speed?


What is differentiation and what does it actually mean?


If I toss a coin 3 times what is the probability of it landing on heads at least once?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy
Cookie Preferences