Question

The zeroes of a quadratic polynomial are -4 and -5 write quadratic equation​

Answer 1

Answer:

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Quadratic polynomials should be in form of :

x^2 - (alpha + beta)x + (\alpha × beta)

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$\mathfrak\red{Solution}$

° alpha and beta are zeroes .

= x^2 - [ -4 + ( -5 ) ]x + [ -4 × ( -5 ) ]

= x^2 - ( -4 - 5 )x + 20

= x^2 - ( -9 )x + 20

= x^2 + 9x + 20