Question Simplify the expression 0 Evaluate l×7−l×7Solution 0 Show Solution Find the roots l∈R Evaluate l×7−l×7To find the roots of the expression,set the expression equal to 0 l×7−l×7=0Use the commutative property to reorder the terms 7l−l×7=0Use the commutative property to reorder the terms 7l−7l=0Subtract the terms 0=0Solution l∈R Show Solution
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