Question

find the value of a and b from the given condition: a+b=5 and ab=-36​

Answer 1

Step-by-step explanation:

a is 9 and b is 4

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Answer 2

Answer:

a +b = 5

a = 5 - b

ab = -36

(5-b) b = -36

5b - b² = -36

b² -5b - 36 = 0

(b-9) (b+4) = 0

b = 9 or -4

if b = 9 , a +9 = 5 , a = -4

if b = -4 , a -4 = 5 , a = 9