Complete the square of the following expression: 2x^2 -8x+21

2(x-2)^2 +13

IF
Answered by Iliya F. Maths tutor

3641 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

what is the gradient and y intercept of the equation y=7x+7


A ladder 6.2m long is leaning against a wall. The bottom of the ladder is 0.8m from the wall. Calculate the distance the ladder reaches up the wall, giving your answer to two decimal points.


How do you factorize a quadratic equation with all positive numbers?


Solve 5(x+3) < 60


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning