Brahmagupta solved a quadratic equation of the form ax2 + bx = c using the formula x =, which involved only one solution. Using Brahmagupta’s method, the solution to the quadratic equation x2 + 7x = 8 would be x = 1. Using modern methods, the first step in solving the quadratic equation x2 + 7x = 8 would be to put it in standard form by . What is the second solution?
Answer
Selection 1:
subtracting 8 from both sides
Selection 2:
–8

Question

Brahmagupta solved a quadratic equation of the form ax2 + bx = c using the formula x =, which involved only one solution. Using Brahmagupta’s method, the solution to the quadratic equation x2 + 7x = 8 would be x = 1. Using modern methods, the first step in solving the quadratic equation x2 + 7x = 8 would be to put it in standard form by . What is the second solution?

Answer

Selection 1:

subtracting 8 from both sides

Selection 2:

–8

Revolt · Accepted Answer

subtracting 8 from both sides; Selection 1: subtracting 8 from both sides; Selection 2: –8