Answer:
x - 3 =
square both sides to get rid of square root
x^2 -6x + 9 = 4x - 7 , but remember 4x - 7 can't be less than 0 since it was square roots can't be less than 0
simplify the equation
x^2 - 10x + 16= 0
x = 8, x= 2
but x cannot equal 2, because if we plug in 2, the square root will be negative,
so x can only equal 8
so B is correct.
I'm not the best at quadratics, so pls comment if something is wrong
Answer:
20
Step-by-step explanation:
Answer:
177 dollars
Step-by-step explanation:
the total price Jacob is determined by using this, 55(3)+x=y
We know that 55 times three is 165, so we add this to 12 dollars for the used gae and get the answer
If we substitute 2 into x it'll be: