QUIZ # 2 SOLVING QUADRATIC EQUATIONS BY COMPLETING THE SQUARE
Directions: Find the solutions of the given quadratic equations by completing the square.
1. x² + 10x + 9 = 0
pahelp po with solution po sana thanks po.
Directions: Find the solutions of the given quadratic equations by completing the square.
1. x² + 10x + 9 = 0
pahelp po with solution po sana thanks po.
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Answer:
x²+10x= -9
Solution:
x²+10x+9=0
= x²+10x= -9
= x(x+9)+x+9=0
= (x+9)•(x+1)=0
= x+9=0, x+1=0
= x= -9, x= -1