book Maths Puzzle Numerical Ability

can u solve this?
6r^3+7r^2=r
thank you

Read Solution (Total 0)

book Other Question

The length of a rectangle is 8 inches more than twice its width. If the perimeter of the rectangle is 28 inches, find the width of the rectangle. Lee and Jesse swam towards each other from opposite sides of a lake that is 3.9 km wide.They began swimming at 2:00 pm and met at 2:30 pm. Lee's speed was 1km/h greater than Jesse'