(x+5)*(x+2)-3(4x-3)=(x-5) ^2

Question

(x+5)*(x+2)-3(4x-3)=(x-5) ^2

Answer 1

X^2 + 7x + 10 - 12x + 9 = x^2 - 10x+ 25
x^2 - x^2 - 5x + 10x = 25 - 19
5x = 6
x = 1,2

Comments

точно правильно

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???

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да.

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спс

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пожалуйста)))