how do i find a and b in the sum: axb=-24 a+b=-5

Answer 1

ab = -24

a = -24/b

a + b = -5

(-24)/b + b = -5

Multiply both sides by b.

-24 + b² = -5b

b² + 5b - 24 = 0

(b + 8)(b - 3) = 0

b + 8 = 0 or b - 3 = 0

b = -8 or b = 3



a = 3 a = -8