find the solutions of the following equations by completing the square
1) x²+3x-10=0
2)x²+5x+9=0 pls answer it I need it for now
Share
find the solutions of the following equations by completing the square
1) x²+3x-10=0
2)x²+5x+9=0 pls answer it I need it for now
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
answer for number 1
X + 5x-2x-10= = 0
Factor the expressions
xx (x+5)-2x+5) = 0
Factor the expression
(x 5) (x
x+ 5 xx-2)=0
Separate into possible cases
X+5=0
X-2=0
Solve the equations
X = -5
x = 2
The equation has 2 solutions
Solution
X1
X2
2
answer for number 2
9:06
Solving Steps
X
+ 5x + 9 = 0
Use the quadratic formula
-
2
4×1x9
5+√5
X
2x1
Multiply
Evaluate
X
5+√25-36
2
Calculate
5± √-11
X =
2