X 2 81 0. Solving a single variable equation: Web don't memorise jun 3, 2015 x2 = 81 can be written as x2 −81 = 0 by property , (a2 − b2 = (a +b)(a− b).
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X = ±√ 40.500 = ± 6.36396 step by step solution : Algebra quadratic equations and functions comparing methods for solving quadratics 1. Solving a single variable equation: X2 = 81 x 2 = 81 take the specified root of both sides of the. X2+81 = 0 subtract 81 from both sides of the equation : Web x2 + 81 = 0 step 2 : Web don't memorise jun 3, 2015 x2 = 81 can be written as x2 −81 = 0 by property , (a2 − b2 = (a +b)(a− b). | socratic how do you solve x2 − 81 = 0? Step 1 :equation at the end of step 1 :
Step 1 :equation at the end of step 1 : Algebra quadratic equations and functions comparing methods for solving quadratics 1. Solving a single variable equation: Step 1 :equation at the end of step 1 : Web x2 + 81 = 0 step 2 : X2+81 = 0 subtract 81 from both sides of the equation : | socratic how do you solve x2 − 81 = 0? Web don't memorise jun 3, 2015 x2 = 81 can be written as x2 −81 = 0 by property , (a2 − b2 = (a +b)(a− b). X2 = 81 x 2 = 81 take the specified root of both sides of the. X = ±√ 40.500 = ± 6.36396 step by step solution :
