x^2+10x+6=0 Find x
Quadratic formula. x=(b+-SQRT(b^2-4ac))/2a substitute. x=(10+-SQRT(100-416))/21 simplify. x=5+2SQRT(19)/2ORx=5-2SQRT(19)/2
AN
Related Maths GCSE answers
All answers ▸There are n sweets in a bag, 6 of which are red. The rest of the sweets are blue. Jen removes 1 sweet from the bag. Jen then takes another sweet from the bag. The probability that Hannah takes two red sweets is 1/3. Show that n²-n-90=0.
How do I solve 2x^2 -x -6 = 0
How to solve simultaneous equations?
Solve for the coordinates where lines A and B intersect. A: y=x+4 B: y=0.5x+3.5