14ax + x + a +2x = 2ab - 3ba +5a - a = xy - x + y - yx = abc + bca + cab = x + 3x + 4x - 5x + 7x, если x = 34,7 …
14ax + x + a +2x = 2ab - 3ba +5a - a = xy - x + y - yx = abc + bca + cab = x + 3x + 4x - 5x + 7x, если x = 34,7
Ответ на вопрос
14ax + x + a + 2x = 14a(34.7) + 34.7 + a + 2(34.7) = 492.8a + 34.7 + a + 69.4 = 493.8a + 104.12ab - 3ba + 5a - a = 2(34.7)b - 3b(34.7) + 5(34.7) - 34.7 = 69.4b - 104.1b + 173.5 - 34.7 = -34.7b + 138.8xy - x + y - yx = 34.7y - 34.7 + y - 34.7x = 34.7(y - 1) + y(-34.7) = 34.7y - 34.7 + y - 34.7y = -34.7abc + bca + cab = a(34.7)b(34.7)c(34.7) + b(34.7)c(34.7)a(34.7) + c(34.7)a(34.7)b(34.7) = 52201.9abc + 52201.9abc + 52201.9abc = 156605.7abcx + 3x + 4x - 5x + 7x, если x = 34,7 = 34.7 + 3(34.7) + 4(34.7) - 5(34.7) + 7(34.7) = 34.7 + 104.1 + 138.8 - 173.5 + 243.6 = 348.7
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1)25a²-c², 2)x²-4y², 3)27a³-64b³, 4)a³-a²b+ab²-b3, 5)3b+bc+3ac+9a, 6)c²-6c+9-4x², 7)y²x+y+yx²+x+4yx+4.…
1)25a²-c², 2)x²-4y², 3)27a³-64b³, 4)a³-a²b+ab²-b3, 5)3b+bc+3ac+9a, 6)c²-6c+9-4x², 7)y²x+y+yx²+x+4yx+4.
Ответ на вопрос
1) Difference of squares: (5a + c)(5a - c)
2) Difference of squares: (x + 2y)(x - 2y)
3) Difference of cubes: (3a - 4b)(9a² + 12ab + 16b²)
4) Group the terms: a²(a - b) + ab(a - b) + 3(a - b) = (a + ab + 3)(a - b)
5) Factor out common terms: 3(b + a)(1 + c)
6) Perfect square trinomial: (c - 3)² - (2x)² = (c - 3 - 2x)(c - 3 + 2x)
7) Rearrange terms: (y + 1)(x + 1)(y + x + 4)
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