book Maths Puzzle Numerical Ability

y=2x^2 - 5x - 12 by graphing

y=2(125)^2 - 5(125)-12 x y=2x^2
3.13 -6.25 - 7
3.13-6.75

Read Solution (Total 0)

book Other Question

Getting this slowly! But getting it thank God! Thank you for helping me lose my fear of Algebra. What would be your thoughts on this one?
"Solve 81x^3+36^2=-4x"?
Have a great day. Thanks again.
REVISED VERSION...left out a number...
Perform the operations and simplify.Please show in detail how it is reached?

(The line in between the fractions didnt come through...sorr