Use the product rule an×am=an+m to simplify the expression
x6+1
Add the numbers
x7
−2x7−(−2x6×1)
Any expression multiplied by 1 remains the same
−2x7−(−2x6)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
Algebra
Calculus
Trigonometry
Matrix