Question Simplify the expression 15x2+40x Evaluate 5x(3x+8)Apply the distributive property 5x×3x+5x×8Multiply the terms More Steps Evaluate 5x×3xMultiply the numbers 15x×xMultiply the terms 15x2 15x2+5x×8Solution 15x2+40x Show Solution Find the roots x1=−38,x2=0Alternative Form x1=−2.6˙,x2=0 Evaluate 5x(3x+8)To find the roots of the expression,set the expression equal to 0 5x(3x+8)=0Elimination the left coefficient x(3x+8)=0Separate the equation into 2 possible cases x=03x+8=0Solve the equation More Steps Evaluate 3x+8=0Move the constant to the right-hand side and change its sign 3x=0−8Removing 0 doesn't change the value,so remove it from the expression 3x=−8Divide both sides 33x=3−8Divide the numbers x=3−8Use b−a=−ba=−ba to rewrite the fraction x=−38 x=0x=−38Solution x1=−38,x2=0Alternative Form x1=−2.6˙,x2=0 Show Solution