What are the solution(s) to the quadratic equation x2 – 25 = 0?
2 answers:
X= 5 and it also equals -5
hi
x²-25 = (x+5) ( x-5)
As a multiplication can only add up to zero if one of term is 0 ,
there is two solutions :
x+5 = 0
x = -5
and x-5 = 0
x = 5
So two solutions for x² -25 = 0 which are -5 and 5
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