leo4687
25.07.2019 •
Mathematics
Plz hurry, 20 points for simple q: solve 5x + 1 = 2x2 + 9x. which are steps in the process of completing the square used to solve the equation? 1 = 2(x2 + 2x) 1 = 2x2 + 4x 2 = 2(x2 + 2x + 1) 3 = 2(x + 1)2 2 = 2(x + 1)2
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Ответ:
a: 1 = 2(x^2 + 2x)
b:1 = 2x^2 + 4x
d:3 = 2(x + 1)^2
you can tell these are your answer when you solve it.
Hope this helps!
Ответ:
a,b.d
Step-by-step explanation:
Ответ:
a+a+2a+2a=180
6a=180
a=30
3x-12=x
2x=12
x=6
8-y=x
8-y=6
y=2