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sedirala
@sedirala
August 2022
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Разложить:
1) (х – 3)²• 8 – х²
2) (4х²+ 3²) – х²+ 9
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кляча
Verified answer
1)
= 8 (x - 3)^2 - x ^ 2 = 8(x^2 - 6x + 9) - x^2 = 8x^2 - 48x + 72 - x^2 =
= 7x^2 - 48x + 72.
----------------------------------------------------
2)
= 4x^2 + 9 - x^2 + 9 = 3x^2 + 18
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kinalana
1) (x-3)^2*8-x^2 = 8*(x-3)^2-x^2 = 8*(x^2-6x+9)-x^2 = 8x^2-48x+72-x^2 = 7x^2-48x+72
2) (4x^2+3^2)-x^2+9 = 4x^2+3^2-x^2+9 = 3x^2+3^2+9 = 3*(x^2+3+3) = 3*(x^2+6)
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Answers & Comments
Verified answer
1)= 8 (x - 3)^2 - x ^ 2 = 8(x^2 - 6x + 9) - x^2 = 8x^2 - 48x + 72 - x^2 =
= 7x^2 - 48x + 72.
----------------------------------------------------
2)
= 4x^2 + 9 - x^2 + 9 = 3x^2 + 18
2) (4x^2+3^2)-x^2+9 = 4x^2+3^2-x^2+9 = 3x^2+3^2+9 = 3*(x^2+3+3) = 3*(x^2+6)