exam Maths Puzzle Numerical Ability

how do you find the solution of the x when the equatins are like this..
2x^3+5x-7= 0 plz tell me step by step so i can try it with other problems.

Read Solution (Total 0)

exam Other Question

Statistics. In a weekend baseball tournament, Joel had 4 hits in 13 times at bat.
That is, he hit safely of the time. Write the decimal equivalent for Joel’s hitting,
rounding to three decimal places. (That number is Joel’s batting average.)
what are two consecutive odd integers whose sum is -116?