x^2+1/2x+1/16=4/9 Factor the perfect-square trinomial on the left side of the equation. (x + )² = 4/9
2 answers:
Answer:
Step-by-step explanation:
we have
we know that
in this problem
------>
----->
so
the missing number in the left side is
The missing number is the square-root of the constant term on the left-hand-side, which equals sqrt(1/16)=1/sqrt(16)=1/4. Check: (x+1/4)^2=x^2+2*(1/4)x+(1/4)^2=x^2+x/2+1/16. ok Answer: x= 1/4
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