Question

if p = -7 q = 12 and x2+px+q=0 find value of x.

Answer 1

p = -7
q = 12

2x+px+q = 0

2x+(-7)x+12 = 0

2x-7x+12 = 0

x(2-7) = -12

-5x = -12

x = -12/-5

x= 12/5

so value of x is 12/5