Solve by completing the square: x^2 + 12x + 4 = 0

(x+6)^2-36+4=0(x+6)^2-32=0(x+6)^2=32(x+6)=±√32x=-6±√32

EK
Answered by Elisha K. Maths tutor

2749 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Sketching a quadratic


There are 20 balls in a bag. The probability is 0.25 of picking a red ball. If one more red ball is added, what is the new probability of picking a red ball at random?


A bag contains beads, 60% of which are green. A student claims that the probability of getting two green beads if the beads aren't replaced is 1/3 as 6/10 * 5/9 is 1/3. Is the student right?


5^a = 1/25, 5^b = 25sqrt(5), 5^c = 1/sqrt(5). What is the value of a + b + c?


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