solve the equation x(2x+5)=25 by completing square
Answers
Answered by
0
Step-by-step explanation:
2x ^2 +5x = 25
2x^2+5x- 25=0
2x^2 + 10x -5x -25=0
2x(x+5)-5(x-5)=0
either 2x-5=0 or x-5= 0
x=2.5 or x= 5
Similar questions