Question

Mn giúp e với ạ e cảm ơn

Answer 1

\(a,x^2+8x+64=\left(x+8\right)^2\\ b,x^2-6x+9=\left(x-3\right)^2\\ c,x^2+10x+25=\left(x+5\right)^2\\ d,25x^2-30x+9=\left(5x-3\right)^2\\ e,x^2+7x+\dfrac{49}{4}=\left(x+\dfrac{7}{2}\right)^2\)

Answer 2

\(a,?đề\\ b,?đề\\ c,=\left(x+5\right)^2\\ d,=\left(5x-3\right)^2\\ e,=\left(x+\dfrac{7}{2}\right)^2\)

tik mik nha

 

Answer 3

c: \(x^2+10x+25=\left(x+5\right)^2\)

d: \(25x^2-30x+9=\left(5x-3\right)^2\)

e: \(x^2+7x+\dfrac{49}{4}=\left(x+\dfrac{7}{2}\right)^2\)

Answer 4