Answer:
Step-by-step explanation:
x²- y² = (x+y) (x-y)
x² + xy = x(x+y)
x² + 2xy + y² = (x+y) (x+y)
Answer:
704
Step-by-step explanation:
calculator
- 6/2c is the correct solution
collect like terms : 3cx - cx = 2cx
hence 2cx = - 6
dividing both sides by 2c gives x = - 6/2c
Answer:
- 
Step-by-step explanation:
Given
← cancel sec x on numerator/ denominator
= 
= - 
Answer:
0=0
Step-by-step explanation: