Question

simplify and evaluate the following expression:
3x(4x-5)+3 for x=1

Answer 1

Answer:

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Step-by-step explanation:

12x^2-15x+3

12x^2-12x-3x+3

12x(x-1)-3(x-1)

(x-1)(12x-3)

x-1=0 && 12x-3=0

x=1 && x=1/4