Solve For Ns=(n(n+1))/7 - Mathway

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Enter a problem... Precalculus Examples Popular Problems Precalculus Solve for n s=(n(n+1))/7 Step 1Rewrite the equation as .Step 2Multiply both sides of the equation by .Step 3Simplify the left side.Tap for more steps...Step 3.1Simplify .Tap for more steps...Step 3.1.1Cancel the common factor of .Tap for more steps...Step 3.1.1.1Cancel the common factor.Step 3.1.1.2Rewrite the expression.Step 3.1.2Apply the distributive property.Step 3.1.3Simplify the expression.Tap for more steps...Step 3.1.3.1Multiply by .Step 3.1.3.2Multiply by .Step 4Subtract from both sides of the equation.Step 5Use the quadratic formula to find the solutions.Step 6Substitute the values , , and into the quadratic formula and solve for .Step 7Simplify.Tap for more steps...Step 7.1Simplify the numerator.Tap for more steps...Step 7.1.1One to any power is one.Step 7.1.2Multiply .Tap for more steps...Step 7.1.2.1Multiply by .Step 7.1.2.2Multiply by .Step 7.2Multiply by .Step 8The final answer is the combination of both solutions.

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