How do you factor and solve #16x^2-40x+25=0#?
2 Answers
Explanation:
To factor, we first look to see if there is an immediate factor that is common to all terms. In this case, there is not.
Next, we look to find a pair of numbers that when multiplied will give
The
The factors of
The factors of
We need to select one pair from the top list and one pair from the bottom list. It is usually smart to start with the pairs that have two numbers close in value. So let's try
This one worked!
Hence, the factored form is:
Solving:
Please look below.
Explanation:
Using the quadratic formula
Hence: