Given the quadratic equations derived from the variables x x x , y y y , z z z , and p p p , find the L.C.M. of their larger roots: x 2 − 5 x + 6 = 0 ...

Question

Given the quadratic equations derived from the variables xx, yy, zz, and pp, find the L.C.M. of their larger roots:

  1. x25x+6=0x^2 - 5x + 6 = 0
  2. y29y+20=0y^2 - 9y + 20 = 0
  3. 5z239z+28=05z^2 - 39z + 28 = 0
  4. p215p+56=0p^2 - 15p + 56 = 0

What is the L.C.M. of the larger roots of xx, yy, zz, and pp?

Options

A.

$840$

B.

$650$

C.

$780$

D.

$980$

quadratic equationsrootslcmalgebra

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