Question Simplify the expression 640−s Evaluate 640−1×sSolution 640−s Show Solution Find the roots s=640 Evaluate 640−1×sTo find the roots of the expression,set the expression equal to 0 640−1×s=0Any expression multiplied by 1 remains the same 640−s=0Move the constant to the right-hand side and change its sign −s=0−640Removing 0 doesn't change the value,so remove it from the expression −s=−640Solution s=640 Show Solution
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