Question Simplify the expression 75x2−90x+27 Evaluate 3(5x−3)2×1Multiply the terms 3(5x−3)2Expand the expression More Steps Evaluate (5x−3)2Use (a−b)2=a2−2ab+b2 to expand the expression (5x)2−2×5x×3+32Calculate 25x2−30x+9 3(25x2−30x+9)Apply the distributive property 3×25x2−3×30x+3×9Multiply the numbers 75x2−3×30x+3×9Multiply the numbers 75x2−90x+3×9Solution 75x2−90x+27 Show Solution Find the roots x=53Alternative Form x=0.6 Evaluate 3(5x−3)2×1To find the roots of the expression,set the expression equal to 0 3(5x−3)2×1=0Multiply the terms 3(5x−3)2=0Rewrite the expression (5x−3)2=0The only way a power can be 0 is when the base equals 0 5x−3=0Move the constant to the right-hand side and change its sign 5x=0+3Removing 0 doesn't change the value,so remove it from the expression 5x=3Divide both sides 55x=53Solution x=53Alternative Form x=0.6 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix