How do you simplify #- 4/ (x - 5) + 7/ (2x + 3)#?
Rearrange and write as:
To simplify this, you need to make the denominators equal by finding their lowest common denominator (multiple). Whatever happens to the denominator, must happen to the numerator:
Because the denominators now share the same LCM, you can merge them:
Multiply out all the brackets:
Proceed to simplify terms:
Keep the denominator in the brackets: