Question

Find a quadratic polynomial the sum of whose zeros is 4 and one zero is 5

Answer 1

Answer:

A = 5

sum of zeroes = 4

A+B = 4

5+B = 4

B = 4-5

B = -1

quadratic equation

= x²-(A+B)x+AB

= x²-(5-1)x+5×-1

= x²-4x-5

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Answer 2

Answer:

equation is x^2-4x-5

for solution follow the pictures

Step-by-step explanation:

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