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Ytochka33d
@Ytochka33d
March 2022
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Ну, собственно,вы знаете что делать)) Спасибо вам)
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Godnessgirl
17) а³-4а=а(а²-4)=а(а-2)(а+2)
18) ах²-ау²=а(х²-у²)=а(х-у)(х+у)
19) 3а²-6ав+3в²=3(а²-2ав+в²)=3(а-в)²
20) ах²+2ах+а=а(х²+2х+1)=а(х+1)²
1 votes
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Ytochka33d
Спасибо ;)
svetaeremina022
17.
[tex] {a}^{3} - 4a = a( {a}^2- 4) =a(x+2)(x-2)
18.
[tex]a {x}^{2} - a {y}^{2} = a( {x}^2 - {y}^2)=a(x-y)(x+y)
19.
[tex]3 {a}^{2} - 6ab + 3 {b}^{2} = 3( {a}^{2} - 2ab + {b}^{2} ) = 3( a - b)^2
20.
[tex]a {x}^{2} + 2ax + a = a( {x}^{2} + 2x + 1) = a( x + 1)^2
0 votes
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Answers & Comments
18) ах²-ау²=а(х²-у²)=а(х-у)(х+у)
19) 3а²-6ав+3в²=3(а²-2ав+в²)=3(а-в)²
20) ах²+2ах+а=а(х²+2х+1)=а(х+1)²
[tex] {a}^{3} - 4a = a( {a}^2- 4) =a(x+2)(x-2)
18.
[tex]a {x}^{2} - a {y}^{2} = a( {x}^2 - {y}^2)=a(x-y)(x+y)
19.
[tex]3 {a}^{2} - 6ab + 3 {b}^{2} = 3( {a}^{2} - 2ab + {b}^{2} ) = 3( a - b)^2
20.
[tex]a {x}^{2} + 2ax + a = a( {x}^{2} + 2x + 1) = a( x + 1)^2