How do you solve #sqrt(3 - x)= 2x#?
2 Answers
Explanation:
First square both sides.
Move all terms to the left side.
Rewrite the expression in standard form.
This is a quadratic equation in standard form ,
Use the a·c method to solve.
Multiply
Find two numbers that when multiplied equal
Rewrite the equation with
Factor out common terms in the first pair of terms and in the second pair of terms.
Factor out
Set each term in parentheses equal to zero and solve for
Divide both sides by
Explanation:
Square both sides
Simplify.
Move all terms to the left side.
Rewrite in standard form.
This is a quadratic equation in standard form,
We can find the values for
Quadratic Formula
Substitute the known values into the formula.
Simplify.
Simplify.
Simplify.
Simplify.