Question Simplify the expression 512x9−11520x8+115200x7−672000x6+2520000x5−6300000x4+10500000x3−144×57x2+18×58x−59 Evaluate (2x−5)9Solution 512x9−11520x8+115200x7−672000x6+2520000x5−6300000x4+10500000x3−144×57x2+18×58x−59 Show Solution Find the roots x=25Alternative Form x=2.5 Evaluate (2x−5)9To find the roots of the expression,set the expression equal to 0 (2x−5)9=0The only way a power can be 0 is when the base equals 0 2x−5=0Move the constant to the right-hand side and change its sign 2x=0+5Removing 0 doesn't change the value,so remove it from the expression 2x=5Divide both sides 22x=25Solution x=25Alternative Form x=2.5 Show Solution
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