5x^2+3xy-25x-15y= 5x^2-25x+3xy-15y=
5x(x-5)+3y(x-5)=
= (x-5)(5x+3y)
Answer:
She spent 19.82 in all
Step-by-step explanation:
I added them
4x - 6 > 6x - 20 |add 6 to both sides
4x > 6x -14 |subtract 6x from both sides
-2x > -14 |change signs
2x < 14 |divide both sides by 2
x < 7 ⇒ x∈ (-∞; 7)
