6x-18
you pretty much h just multiply both the first part of the parentheses by the number outside, then the second :)
Answer:
Step-by-step explanation:
discriminant = (-13)² - 4·2·15 = 49
discriminant > 0 so there are two real roots
The factors are x+1 and 2x-5
Answer:
The following system of equation has no solution.
Step-by-step explanation:
since both of them are equal to y, set them equal to each other:
3x+1=3x+7
if you subtract both sides by 3x, you get 1=7. That is a contradiction, so this has no solutions.
Answer: 5
Step-by-step explanation:
