Question
Simplify the expression
7−720x
Evaluate
7−4212x×10
Cancel out the common factor 6
7−72x×10
Solution
More Steps

Multiply the terms
72x×10
Multiply the terms
More Steps

Evaluate
72×10
Multiply the numbers
72×10
Multiply the numbers
720
720x
7−720x
Show Solution

Factor the expression
71(49−20x)
Evaluate
7−4212x×10
Cancel out the common factor 6
7−72x×10
Multiply the terms
More Steps

Multiply the terms
72x×10
Multiply the terms
More Steps

Evaluate
72×10
Multiply the numbers
72×10
Multiply the numbers
720
720x
7−720x
Solution
71(49−20x)
Show Solution

Find the roots
x=2049
Alternative Form
x=2.45
Evaluate
7−4212x×10
To find the roots of the expression,set the expression equal to 0
7−4212x×10=0
Cancel out the common factor 6
7−72x×10=0
Multiply the terms
More Steps

Multiply the terms
72x×10
Multiply the terms
More Steps

Evaluate
72×10
Multiply the numbers
72×10
Multiply the numbers
720
720x
7−720x=0
Move the constant to the right-hand side and change its sign
−720x=0−7
Removing 0 doesn't change the value,so remove it from the expression
−720x=−7
Change the signs on both sides of the equation
720x=7
Multiply by the reciprocal
720x×207=7×207
Multiply
x=7×207
Solution
More Steps

Evaluate
7×207
Multiply the numbers
207×7
Multiply the numbers
2049
x=2049
Alternative Form
x=2.45
Show Solution
