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How do I solve this question?
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2 votes
How do I solve this question?

How do I solve this question?-example-1
User Thelonious
by
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1 Answer

4 votes
this is a perfect square trnomial
(a+b)²=a²+2ab+b²
we see that a=5x and b=2

(5x)²+2(5x)(2)+2²=0
factor
(5x+2)²=0
set equal to zero
5x+2=0
5x=-2
x=-2/5
User Tchelidze
by
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