Soal agama kristen kelas 8

1. x 2 − 9 = 0 U s in g f or m u l a : a 2 − b 2 = ( a − b ) ( a + b ) x 2 − 9 = 0 x 2 − 3 2 = 0 ( x − 3 ) ( x + 3 ) = 0 A s n w er : x 2 − 9 = ( x − 3 ) ( x + 3 ) 2. x 2 + 13 x = − 36 x 2 + 13 x + 36 = 0 W r i t e 13 x a s 9 x + 4 x x 2 + 9 x + 4 x + 36 = 0 x ( x + 4 ) + 9 ( x + 4 ) = 0 ( x + 4 ) ( x + 9 ) = 0 A n s w er : x 2 + 13 x + 36 = ( x + 4 ) ( x + 9 )

Answered by luana | 2024-06-10

To solve equations by factoring, identify the type of equation (like difference of squares or quadratics), rewrite it in a factorable form, and then apply the zero-product property. For x 2 − 9 = 0 , the solutions are x = 3 and x = − 3 ; for x 2 + 13 x + 36 = 0 , the solutions are x = − 4 and x = − 9 . This method is essential for solving quadratic equations efficiently.
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Answered by luana | 2024-12-26

Jawaban:soalnya dimana ya? kurang jelas mohon maaf

Answered by asalvngjeno | 2025-07-17