Question

将下列方程化为(x+m)^2的形式x^2+4x=21,t^2-2=2(√2)t,2x^2+3x=1,4y^2-16y=7

Answer 1

(x+2)^2=25

(t-v2)^2=4

2(x+3/4)^2=17/8

4(y-2)^2=23