Four times a number +15 is equal to two times the same number +45. What is the number?
2 answers:
You might be interested in
X method is the method to find the factors of the polynomial equation.The factor of the given polynomial is,
Thus the option 3 is the correct option,
<h3>How to find factor of polynomial using X method?</h3>X method is the method to find the factors of the polynomial equation.
The standard form of the quadratic equitation is given as,
Given information-
The equation given in the problem is,
Compare the above equation with the standard form. We get,
To find out the factor of above equation using X method, follow the steps.
- Step 1) Multiply
and
and place
at the top of X as shown in the image.
- Step 2) Place
at the bottom as shown in the image below.
- Step 3) Find two numbers that multiply the top number
- Step 4) Write the polynomial from the X box as,
Hence the factor of the given polynomial is,
Thus the option 3 is the correct option,
Learn more about the X method here;
