Expand and simplify (x+5)(x+7)

Front - Outer -Inner -Last (FOIL)
x X x = x^2x X 7 = 7x 5 X x = 5x5 X 7 = 35
7x + 5x = 12x
x^2 + 12x + 35

EM
Answered by Ellie M. Maths tutor

10774 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equation, 3x + y = 8 and x + 3y = 12, to find a value for x and y.


The line L passes through the points (-2,3) and (6,9). How do I find the equation of the line that is parallel to L and passes through the point (5,-1)?


y is proportional to x^2 and that when y = 75, x = 5. Find a formula for y in terms of x and find y when x=3


c) Sharon is organising an event. The tickets cost 12 pounds each. Sharon paid 200 pounds for the cost of the event. How many tickets will Sharon have to sell to make a profit? (2 marks)


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 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences