X^2 - 14 x = 15
(x - 7)^2 - 49 = 15
(x-7)^2 = 64
x - 7 = - or + 8
x = 15 or -1
Just take half o the coefficient of x and subtract it squared as above.
In general
x^2 + ax = b
(x + a/2)^2 - a^2/4 = b
It’s incorrect in mmmmm sorry
Answer:
in the quest the double angle sign means they are congruent as well as they have a common side if you label them.
He needs still meeds to earn $38 more because if you add up you get 38
Answer:
→ 4. 
→ 3. 
→ 1. 
→ 2. 
Step-by-step explanation:
You need to:
Factor out 2 from , then you get the equivalent expression:
this matches with OPTION 4
Factor out 2 from 
, then you get the equivalent expression:
this matches with OPTION 3
Make the subtraction for , then you get the equivalent expression:
this matches with OPTION 1
Factor out 2 from , then you get the equivalent expression:
this matches with OPTION 2
