book Maths Puzzle Numerical Ability

Please help me with this one. Thanks! Solve using the given root:
2z^3+z^2-8z+3=0; 3/2

Read Solution (Total 0)

book Other Question
what is 23x-2xsquared=83 when x=192837465 factor by grouping x^3-3x^2+4x-12