26 Find the values of x if p + 1 = 0 and x2 + px - 6 = 0.
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Answered by
36
Step-by-step explanation:
p+1=0
p=-1
x²+px-6=0
x²-x-6=0
x²-(3-2)x-6=0
x²-3x+2x-6=0
x(x-3)+2(x-3)=0
(x+2)(x-3)=0
x=-2 or x=3
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