Question
5x×x−4x×8x
Simplify the expression
−27x2
Evaluate
5x×x−4x×8x
Multiply the terms
5x2−4x×8x
Multiply
More Steps

Multiply the terms
4x×8x
Multiply the terms
32x×x
Multiply the terms
32x2
5x2−32x2
Collect like terms by calculating the sum or difference of their coefficients
(5−32)x2
Solution
−27x2
Show Solution

Find the roots
x=0
Evaluate
5x×x−4x×8x
To find the roots of the expression,set the expression equal to 0
5x×x−4x×8x=0
Multiply the terms
5x2−4x×8x=0
Multiply
More Steps

Multiply the terms
4x×8x
Multiply the terms
32x×x
Multiply the terms
32x2
5x2−32x2=0
Subtract the terms
More Steps

Simplify
5x2−32x2
Collect like terms by calculating the sum or difference of their coefficients
(5−32)x2
Subtract the numbers
−27x2
−27x2=0
Change the signs on both sides of the equation
27x2=0
Rewrite the expression
x2=0
Solution
x=0
Show Solution
