Problema Solution
A positive real number is 4 more than another. When -8 times the smaller is added to the square of the larger, the result is 70. Find the numbers.
Answer provided by our tutors
Let
x = the smaller number
x + 4 = the larger number
(-8)*x + (x + 4)^2 = 70
........
click here to see the equation solved for x
........
x1 = - 7.35
x2 = 7.35
There are 2 solutions:
1st solution: -7.35 and -7.35 + 4 = -3.35
2nd solution: 7.35 and 7.35 + 4 = 11.35