We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
131
1
avatar+605 

Follow the process of completing the square to solve x2 - 10x + 8 = 0.
How will the left side of the equation factor in step 5?

(x - 10)2

(x - 20)2

(2x - 10)2

 

Follow the process of completing the square to solve 2x2 + 8x - 12 = 0.
How will the left side of the equation factor in step 5?

(2x + 32)2

(4x + 8)2

(4x + 16)2

 Jan 28, 2019

Best Answer 

 #1
avatar+154 
+1

x^2+10x+8=0

move 8 to the right by subtracting 8 from both sides.

x^2+10x=-8

b/2  10/2 =5

5^2 =25

add 35 to both sides

x^2+10x+25=-8+25

(x+5)^2=17

x+5=+- (root)17

x=-5+-(root)17

 Jan 28, 2019
 #1
avatar+154 
+1
Best Answer

x^2+10x+8=0

move 8 to the right by subtracting 8 from both sides.

x^2+10x=-8

b/2  10/2 =5

5^2 =25

add 35 to both sides

x^2+10x+25=-8+25

(x+5)^2=17

x+5=+- (root)17

x=-5+-(root)17

Mclovin123 Jan 28, 2019

5 Online Users

avatar
avatar
avatar
avatar