book Maths Puzzle Numerical Ability

solve inequalities
a. x^3-x^2-4x+4 <0
b. 3x^2-7x+2 <0
x+1

Read Solution (Total 0)

book Other Question

-(8a - 4b) + 5 - 3(4b + 2) - 8 solve for x: 3x^2-6x+2=0
If you use the Quadratic Formula I believe the answer comes out to be 1 plus or minus the square root of 3. is this correct?