Question

Solve the equation (5x-1)² = 81​

Answer 1

Answer:

Hey!! Ur answer:

${(5x - 1)}^{2} = 81 \\ = > {(5x)}^{2} - 2(5x)(1) + {(1)}^{2} = 81 \\ = > 25 {x}^{2} - 10x + 1 = 81 \\ = > 25 {x}^{2} - 10x + 1 - 81 = 0 \\ = > 25 {x}^{2} - 10x - 80 = 0$

Step-by-step explanation:

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