Mathematics, 26.02.2021 01:00, samara49

Which of the following equations, when written in (x-p)^2=q, have a value of q which is a perfect square? $2x^2+12x-126=0\\5x^2-20x+20=0\\x^2-2x-8=0\\3x^2+36x+84=0\\x^2+8x+4=0$

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Which of the following equations, when written in (x-p)^2=q, have a value of q which is a perfect sq...