Question

x²-23x+42 maths question​

Answer 1

Answer:

x^2 -23x + 42 = 0

x^2 - 21x - 2x +42 = 0

x(x - 21) -2(x - 21) =0

(x - 2) ( x - 21) = 0

x = 2 or x = 21

Answer 2

Answer:

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