Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
b2
Evaluate
(a−b)2−a(a−2b)
Expand the expression
a2−2ab+b2−a(a−2b)
Expand the expression
More Steps
Calculate
−a(a−2b)
Apply the distributive property
−a×a−(−a×2b)
Multiply the terms
−a2−(−a×2b)
Multiply the numbers
−a2−(−2ab)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−a2+2ab
a2−2ab+b2−a2+2ab
The sum of two opposites equals 0
More Steps
Evaluate
a2−a2
Collect like terms
(1−1)a2
Add the coefficients
0×a2
Calculate
0
0−2ab+b2+2ab
Remove 0
−2ab+b2+2ab
The sum of two opposites equals 0
More Steps
Evaluate
−2ab+2ab
Collect like terms
(−2+2)ab
Add the coefficients
0×ab
Calculate
0
0+b2
Solution
b2
Show Solution
