Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
3x
Evaluate
x2×9
Use the commutative property to reorder the terms
9x2
Transform the expression
(3x)2
Solution
3x
Show Solution
Find the roots
x=0
Evaluate
(x2)×9
To find the roots of the expression,set the expression equal to 0
(x2)×9=0
Find the domain
More Steps
Evaluate
{x2×9≥0(x2)×9≥0
Calculate
More Steps
Evaluate
x2×9≥0
Use the commutative property to reorder the terms
9x2≥0
Since the left-hand side is always positive or 0,and the right-hand side is always 0,the statement is true for any value of x
x∈R
{x∈R(x2)×9≥0
Calculate
More Steps
Evaluate
x2×9≥0
Use the commutative property to reorder the terms
9x2≥0
Since the left-hand side is always positive or 0,and the right-hand side is always 0,the statement is true for any value of x
x∈R
{x∈Rx∈R
Find the intersection
x∈R
(x2)×9=0,x∈R
Calculate
(x2)×9=0
Calculate
x2×9=0
Use the commutative property to reorder the terms
9x2=0
Simplify the root
More Steps
Evaluate
9x2
Transform the expression
(3x)2
Reduce the index of the radical and exponent with nan=a
3∣x∣
3∣x∣=0
Rewrite the expression
∣x∣=0
Solution
x=0
Show Solution