4x²-2-4(x-1)(x+5)=3(+5)

Question

4x²-2-4(x-1)(x+5)=3(+5)

Answer 1

4x²-2-4(x-1)(x+5)=3(+5)

4x²-2-4x²-20x+4x+20-15=0

-16x+3=0

-16x=-3  // : (-16)

X=3/16

Answer 2

Правильный ответ.))))))

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