Question Simplify the expression 21x−3 Evaluate 3(7x−1)Apply the distributive property 3×7x−3×1Multiply the numbers 21x−3×1Solution 21x−3 Show Solution Find the roots x=71Alternative Form x=0.1˙42857˙ Evaluate 3(7x−1)To find the roots of the expression,set the expression equal to 0 3(7x−1)=0Rewrite the expression 7x−1=0Move the constant to the right side 7x=0+1Removing 0 doesn't change the value,so remove it from the expression 7x=1Divide both sides 77x=71Solution x=71Alternative Form x=0.1˙42857˙ Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix