Question

Solve it plz

(x-5) (40-x) =124​

Answer 1

This is your answer

Thanks

Answer 2

Answer:

x = 9, 36.

Step-by-step explanation:

Given a quadratic equation (x-5) (40-x) = 124.

To find the roots of the given quadratic equation.

So,

    => (x-5) (40-x) = 124

    =>  40x - x² - 200 + 5x = 124

    =>  -x² + 45x - 200 = 124

    =>   x² - 45x - 324 = 0

    =>   x² - 36x - 9x + 324 = 0

    =>  x(x-36) -9(x-36) = 0

    => (x-9) (x-36) = 0

    => x = 9 , 36.

Therefore the roots of the given quadratic equation is 9, 36.

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