$25x^2+5x-12=0 \\
25x^2-15x+20x-12=0 \\
5x(5x-3)+4(5x-3)=0 \\
(5x+4)(5x-3)=0 \\
5x+4=0 \ \lor \ 5x-3=0 \\
5x=-4 \ \lor \ 5x=3 \\
x=-\frac{4}{5} \ \lor \ x=\frac{3}{5} \\
\boxed{x=-\frac{4}{5} \hbox{ or } x=\frac{3}{5}}$

3 0

4 years ago

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How do you think estimation is used in determining sale prices?

stepladder [879]

Answer:

to figure out how much it costs.

Step-by-step explanation:

let me know if I'm wrong

5 0

3 years ago

John works two jobs. A weekly pay stub from one job shows an earning of $235.23 and his second pay stub shows a monthly earning

Darina [25.2K]

Answer:

D) $23,400

Step-by-step explanation:

His annual income would equal 52 x his weekly income + 12 x his monthly income = 52 x $235.23 + 12 x $935. 40= about $23,400.

USATestPrep

3 0

4 years ago

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