Answer: -4
Step-by-step explanation:
Solve 2x+7=-1
2x. =-8
x. =-4
Answer:
y = 
Step-by-step explanation:
Given
5x - 8y = 11 ( subtract 5x from both sides )
- 8y = 11 - 5x ( multiply through by - 1 )
8y = - 11 + 5x = 5x - 11 ( divide both sides by 8 )
y = 
The answer is 81. since (-3)^2 is 9. Therefore, 9x9=81.
Answer:
(x-1)(x+7)
Step-by-step explanation:
x = 1
x = -7
These are the roots found using the quadratic formula.