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Factorise 5x^2-28x+23=0
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Factorise 5x^2-28x+23=0

User Jgosmann
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5 {x}^(2) - 28x + 23 = 0 \\ \\ 5 {x}^(2) - 23x - 5x + 23 = 0 \\ (5 {x}^(2) - 23x) - (5x - 23) = 0 \\ x(5x - 23) - (5x - 23) = 0 \\ (x - 1)(5x - 23) = 0 \\ \\ x - 1 = 0 \\ \\ or \\ \\ 5x - 23 = 0 \\ \\ \\ x = 1 \\ \\ or \\ \\ x = (23)/(5)

ATTACHED IS THE SOLUTION

User Carmine Paolino
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