Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−25x2
Evaluate
2x2−3x×9x
Multiply
More Steps
Multiply the terms
3x×9x
Multiply the terms
27x×x
Multiply the terms
27x2
2x2−27x2
Collect like terms by calculating the sum or difference of their coefficients
(2−27)x2
Solution
−25x2
Show Solution
Find the roots
x=0
Evaluate
2x2−3x×9x
To find the roots of the expression,set the expression equal to 0
2x2−3x×9x=0
Multiply
More Steps
Multiply the terms
3x×9x
Multiply the terms
27x×x
Multiply the terms
27x2
2x2−27x2=0
Subtract the terms
More Steps
Simplify
2x2−27x2
Collect like terms by calculating the sum or difference of their coefficients
(2−27)x2
Subtract the numbers
−25x2
−25x2=0
Change the signs on both sides of the equation
25x2=0
Rewrite the expression
x2=0
Solution
x=0
Show Solution