5x^2+2=-7x

Question

5x^2+2=-7x

solomonzelman · Answer

$\normalsize\color{black}{ 5x^2+2=-7x}$         add 7x to both sides,
$\normalsize\color{black}{ 5x^2+7x+2=0}$          factor it
$\normalsize\color{black}{ (5x+2)(x+1)=0}$

Tell me if you need more help.

anonymous · Answer

thanks

anonymous · Answer

Rewrite without pereinthesis. 
-6x^6y^5(3y^3-7x+4)

solomonzelman · Answer

-18x^6y^8+42x^7y^5-24x^6y^5

anonymous · Answer

Rewrite as a logrithmic equation. 
5^-1=1/5

solomonzelman · Answer

$\LARGE\color{blue}{    \log_AB=C~~~\color{red}⇒~~~ A^C=B }$

solomonzelman · Answer

your  ` A `  is ` 5 `
your  ` B ` is  `(1/5)`
your  ` C `  is  `-1`

anonymous · Answer

Thank you!

solomonzelman · Answer

Anytime !

anonymous · Answer

At the movie theatre, child admission is 5.60 and adult admission is 8.90 . On Tuesday, twice as many adult tickets as child tickets were sold, for a total sales of 772.20  . How many child tickets were sold that day?