Question

3) Determine which value is the root
of the quadratic equation
x2-7X-30=0*​

Answer 1

Answer:

x² - 7x - 30 = 0

x² - 10 x + 3x -30 =0

x(x-10) + 3(x-10) = 0

(x-10) (x+3) =0

x-10 = 0 & x+3 = 0

=> x = 10 & x = - 3 <=

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