Question Factor the expression −4x2(15+2x) Evaluate −60x2−8x3Rewrite the expression −4x2×15−4x2×2xSolution −4x2(15+2x) Show Solution Find the roots x1=−215,x2=0Alternative Form x1=−7.5,x2=0 Evaluate −60x2−8x3To find the roots of the expression,set the expression equal to 0 −60x2−8x3=0Factor the expression −4x2(15+2x)=0Divide both sides x2(15+2x)=0Separate the equation into 2 possible cases x2=015+2x=0The only way a power can be 0 is when the base equals 0 x=015+2x=0Solve the equation More Steps Evaluate 15+2x=0Move the constant to the right-hand side and change its sign 2x=0−15Removing 0 doesn't change the value,so remove it from the expression 2x=−15Divide both sides 22x=2−15Divide the numbers x=2−15Use b−a=−ba=−ba to rewrite the fraction x=−215 x=0x=−215Solution x1=−215,x2=0Alternative Form x1=−7.5,x2=0 Show Solution
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