If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
4x3−2x+8
Solution
2(2x3−x+4)
Show Solution
Find the roots
x≈−1.391769
Evaluate
4(x3)−(2x−8)
To find the roots of the expression,set the expression equal to 0
4(x3)−(2x−8)=0
Calculate
4x3−(2x−8)=0
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses