exam Maths Puzzle Numerical Ability

Use the quadratic formula to solve the equation

2x^2-x=-10

The solution set is { }.

Read Solution (Total 0)

exam Other Question

You go 50 km West, then 20 km North. How many km are you from where you started?

Can someone explain to me how to slove this question please and thank you. how do you solve the problem:
f(x) =1 - 1 divided by (x+2)squared and the value of x is 0