Answer:
Step-by-step explanation:
Substitution method can be applied in four steps. Step 1: Solve one of the equations for either x = or y = . Step 2: Substitute the solution from step 1 into the other equation. Step 3: Solve this new equation Happy too help!
b
bc i just did it
The answer is 9.
m = 5
n = 4
m + n
(5) + (4) = 9
5x³ - 45x
5x(x² - 9)
Or 5x(x-3)(x+3)
x>20
subtract 5 from both sides
