Question
Simplify the expression
−81x+163
Evaluate
−21(41x−83)
Multiply the terms
More Steps

Evaluate
21(41x−83)
Apply the distributive property
21×41x−21×83
Multiply the numbers
More Steps

Evaluate
21×41
To multiply the fractions,multiply the numerators and denominators separately
2×41
Multiply the numbers
81
81x−21×83
Multiply the numbers
More Steps

Evaluate
21×83
To multiply the fractions,multiply the numerators and denominators separately
2×83
Multiply the numbers
163
81x−163
−(81x−163)
Solution
−81x+163
Show Solution

Factor the expression
−161(2x−3)
Evaluate
−21(41x−83)
Factor the expression
−21×81(2x−3)
Solution
−161(2x−3)
Show Solution

Find the roots
x=23
Alternative Form
x=1.5
Evaluate
−21(41x−83)
To find the roots of the expression,set the expression equal to 0
−21(41x−83)=0
Multiply the terms
More Steps

Evaluate
21(41x−83)
Apply the distributive property
21×41x−21×83
Multiply the numbers
More Steps

Evaluate
21×41
To multiply the fractions,multiply the numerators and denominators separately
2×41
Multiply the numbers
81
81x−21×83
Multiply the numbers
More Steps

Evaluate
21×83
To multiply the fractions,multiply the numerators and denominators separately
2×83
Multiply the numbers
163
81x−163
−(81x−163)=0
Calculate
−81x+163=0
Move the constant to the right-hand side and change its sign
−81x=0−163
Removing 0 doesn't change the value,so remove it from the expression
−81x=−163
Change the signs on both sides of the equation
81x=163
Multiply by the reciprocal
81x×8=163×8
Multiply
x=163×8
Solution
More Steps

Evaluate
163×8
Reduce the numbers
23×1
Multiply the numbers
23
x=23
Alternative Form
x=1.5
Show Solution
