, 03.12.2019 07:14 miguelsanchez1456

# Music lessons cost 20 bucks per week how much do 6 weeks cost

### Another question on Mathematics

Mathematics, 04.02.2019 22:01
In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots $$\beta \: and \: 2 \beta$$express h in terms of k