Question Simplify the expression a4−251 Evaluate a3×a−251Solution More Steps Evaluate a3×aUse the product rule an×am=an+m to simplify the expression a3+1Add the numbers a4 a4−251 Show Solution Find the roots a1=−4251,a2=4251Alternative Form a1≈−3.980324,a2≈3.980324 Evaluate a3×a−251To find the roots of the expression,set the expression equal to 0 a3×a−251=0Multiply the terms More Steps Evaluate a3×aUse the product rule an×am=an+m to simplify the expression a3+1Add the numbers a4 a4−251=0Move the constant to the right-hand side and change its sign a4=0+251Removing 0 doesn't change the value,so remove it from the expression a4=251Take the root of both sides of the equation and remember to use both positive and negative roots a=±4251Separate the equation into 2 possible cases a=4251a=−4251Solution a1=−4251,a2=4251Alternative Form a1≈−3.980324,a2≈3.980324 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix