Top answers

Maths
All levels

Factorise x^2 + 5x + 6

We are trying to get to the form of x2 + 5x + 6 = ( x + a)(x + b)6 must also factorise as 6x1 or 3x2 Let's focus first on the x terms : 5x is the sum of ax + dbx and the coefficient of these tw...

MG
Answered by Maëlle G. Maths tutor
3155 Views

Solve the simultaneous equations to find x and y: 3x + 5y = 10 , 5x + 4y = 8

15x + 25y = 5015x + 12y = 24
y = 2x = 0

DK
Answered by Deo-Gratias K. Maths tutor
3691 Views

How to expand double brackets?

Use the FOIL method, first, outside, inside, last. 1) F: The first term in the first bracket multiplies the first term in the second bracket. 2) O: The first term in the first bracket jumps outside to mul...

HT
Answered by Hannah T. Maths tutor
2841 Views

Work out 60% of 70

1% of a number is that number divided by 100. So 60% of a number is 60 times that number divided by 100.In this case, we want 60% of 70. So, we do (7060)/100. This is a rather big fraction, but we can...

EW
Answered by Elise W. Maths tutor
11828 Views

The line AB has equation 5x + 3y + 3 = 0. The point with coordinates (2k + 3, 4 -3k) lies on the line AB. How do you find the value of k.

This kind of question requires correct substitution by setting the x in the original equation equal to the x value of the point ( 2k+3) and setting the y value of the original equation to the y value of t...

KN
Answered by Kelvin N. Maths tutor
3834 Views

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