Question
Simplify the expression
−53+40n
Evaluate
3−8(7−5n)
Expand the expression
More Steps

Calculate
−8(7−5n)
Apply the distributive property
−8×7−(−8×5n)
Multiply the numbers
−56−(−8×5n)
Multiply the numbers
−56−(−40n)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−56+40n
3−56+40n
Solution
−53+40n
Show Solution

Find the roots
n=4053
Alternative Form
n=1.325
Evaluate
3−8(7−5n)
To find the roots of the expression,set the expression equal to 0
3−8(7−5n)=0
Calculate
More Steps

Evaluate
3−8(7−5n)
Expand the expression
More Steps

Calculate
−8(7−5n)
Apply the distributive property
−8×7−(−8×5n)
Multiply the numbers
−56−(−8×5n)
Multiply the numbers
−56−(−40n)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−56+40n
3−56+40n
Subtract the numbers
−53+40n
−53+40n=0
Move the constant to the right-hand side and change its sign
40n=0+53
Removing 0 doesn't change the value,so remove it from the expression
40n=53
Divide both sides
4040n=4053
Solution
n=4053
Alternative Form
n=1.325
Show Solution
