Question Simplify the expression −3x2+15x Evaluate −3(x×1)(x−5)Remove the parentheses −3x×1×(x−5)Any expression multiplied by 1 remains the same −3x(x−5)Apply the distributive property −3x×x−(−3x×5)Multiply the terms −3x2−(−3x×5)Multiply the numbers −3x2−(−15x)Solution −3x2+15x Show Solution Find the roots x1=0,x2=5 Evaluate −3(x×1)(x−5)To find the roots of the expression,set the expression equal to 0 −3(x×1)(x−5)=0Any expression multiplied by 1 remains the same −3x(x−5)=0Change the sign 3x(x−5)=0Elimination the left coefficient x(x−5)=0Separate the equation into 2 possible cases x=0x−5=0Solve the equation More Steps Evaluate x−5=0Move the constant to the right-hand side and change its sign x=0+5Removing 0 doesn't change the value,so remove it from the expression x=5 x=0x=5Solution x1=0,x2=5 Show Solution
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