Bentuklah menjadi persamaan kuadrat (3a-2b)(2a+6) = (-2x+4)(x-7) = (3m-4)(3m+4) = (-x+7)( -x+8) = (4p-3q)(4p+3q) =
Matematika
Raissadahayu
Pertanyaan
Bentuklah menjadi persamaan kuadrat
(3a-2b)(2a+6) =
(-2x+4)(x-7) =
(3m-4)(3m+4) =
(-x+7)( -x+8) =
(4p-3q)(4p+3q) =
1 Jawaban
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1. Jawaban m1a2u3l4i5d6i7a8
(3a-2b)(2a+6)
= 6a² + 18a - 4ab - 12b
(-2x+4)(x-7)
= -2x² + 14x + 4x - 28
= -2x² + 18x - 28
(3m-4)(3m+4)
= 9m² + 12m - 12m - 16
= 9m² - 16
(-x+7)( -x+8)
= x² - 8x - 7x + 56
= x² - 15x + 56
(4p-3q)(4p+3q)
= 16p² + 12pq - 12pq - 9q²
= 16p² - 9q²