*AlJabar* [Plzz Besok Di Kumpul :v] 1. x(2x+5)= 2. (x+3)(x+4)= 3. 5p(2p-3q+4)= 4. (3x-4y)(2x+7y)= 5. (p+3)(p²-2p+1)=
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Pertanyaan
*AlJabar* [Plzz Besok Di Kumpul :v]
1. x(2x+5)=
2. (x+3)(x+4)=
3. 5p(2p-3q+4)=
4. (3x-4y)(2x+7y)=
5. (p+3)(p²-2p+1)=
1. x(2x+5)=
2. (x+3)(x+4)=
3. 5p(2p-3q+4)=
4. (3x-4y)(2x+7y)=
5. (p+3)(p²-2p+1)=
1 Jawaban
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1. Jawaban AnugerahRamot
x(2x + 5) = 2x² + 5x
(x + 3)(x + 4) = x² + 4x + 3x + 12
= x² + 7x + 12
5p (2p - 3q + 4) = 10p² - 15pq + 20p
(3x - 4y)(2x + 7y) = 6x² + 21xy - 6xy - 28y²
= 6x² + 15xy - 28y²
(p + 3)(p² - 2p + 1) = p³ - 2p² + p + 3p² - 6p + 3
= p³ + p - 5p + 3