studmuffin
25x  2 + 4 = 18 for x.



This Question is Closed

studmuffin
Best Response
You've already chosen the best response.
0
i am trying to figure this out...but i can't figure it out.

Muskan
Best Response
You've already chosen the best response.
2
is 18x?

across
Best Response
You've already chosen the best response.
0
This is basically two equations.

studmuffin
Best Response
You've already chosen the best response.
0
Solve 25x  2 + 4 = 18
sorry

across
Best Response
You've already chosen the best response.
0
\[2(5x2)+4=18\]and\[2(25x)+4=18\]

studmuffin
Best Response
You've already chosen the best response.
0
Now how did you get that?

Muskan
Best Response
You've already chosen the best response.
2
10x2+4=18
10x2+418
10x16

studmuffin
Best Response
You've already chosen the best response.
0
Thank you @Muskan AND @across

Muskan
Best Response
You've already chosen the best response.
2
ur wlc

ParthKohli
Best Response
You've already chosen the best response.
0
A better idea:\[25x  2 + 4 = 18\Rightarrow 5x  2 = 7\]Square both sides. \[25x^2  10x + 4 = 49\]Solve the quadratic equation.