Question

(m-5)的平方乘以x的平方+2(m-5)x+1=0

Answer 1

(m-5)^2*x^2+2(m-5)x+1=0

[(m-5)x]^2+2(m-5)x+1=0

[(m-5)x+1]^2=0

(m-5)x+1=0

x=1/(m-5)

如果不懂,请Hi我,祝学习愉快!