Solve by completing the square: x^2 - 8x + 12 = 0
x2 - 8x + 12 = 0 (x - 4)2 - 16 + 12 = 0 (x - 4)2 - 4 = 0 (x - 4)2 = 4 x - 4 = +- 2 x = 6 x = 2
JV
Related Maths GCSE answers
All answers ▸Sam and Jack share out £80 in the ratio 5:3, in that order. How much do they each get?
A person leaves their flat at 8:00am and travels to work at an average speed of 32 mph. They arrive at work at 9:15am. Calculate the distance they travel to work.
Find the positive solution to b^2 +5b – 6 =o
Make y the subject of the following equation: 2x - y = 5