Question
Simplify the expression
15b3−64b4+3
Evaluate
(8b3−63b4)−(b4−7b3−3)
Remove the parentheses
8b3−63b4−(b4−7b3−3)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
8b3−63b4−b4+7b3+3
Add the terms
More Steps

Evaluate
8b3+7b3
Collect like terms by calculating the sum or difference of their coefficients
(8+7)b3
Add the numbers
15b3
15b3−63b4−b4+3
Solution
More Steps

Evaluate
−63b4−b4
Collect like terms by calculating the sum or difference of their coefficients
(−63−1)b4
Subtract the numbers
−64b4
15b3−64b4+3
Show Solution

Find the roots
b1≈−0.416131,b2≈0.537029
Evaluate
(8b3−63b4)−(b4−7b3−3)
To find the roots of the expression,set the expression equal to 0
(8b3−63b4)−(b4−7b3−3)=0
Remove the parentheses
8b3−63b4−(b4−7b3−3)=0
Subtract the terms
More Steps

Simplify
8b3−63b4−(b4−7b3−3)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
8b3−63b4−b4+7b3+3
Add the terms
More Steps

Evaluate
8b3+7b3
Collect like terms by calculating the sum or difference of their coefficients
(8+7)b3
Add the numbers
15b3
15b3−63b4−b4+3
Subtract the terms
More Steps

Evaluate
−63b4−b4
Collect like terms by calculating the sum or difference of their coefficients
(−63−1)b4
Subtract the numbers
−64b4
15b3−64b4+3
15b3−64b4+3=0
Calculate
b≈−0.416131b≈0.537029
Solution
b1≈−0.416131,b2≈0.537029
Show Solution
