Question Factor the expression 721(t−6480) Evaluate 721t−90Solution 721(t−6480) Show Solution Find the roots t=6480 Evaluate 721t−90To find the roots of the expression,set the expression equal to 0 721t−90=0Move the constant to the right-hand side and change its sign 721t=0+90Removing 0 doesn't change the value,so remove it from the expression 721t=90Multiply by the reciprocal 721t×72=90×72Multiply t=90×72Solution t=6480 Show Solution
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