tentukan himpunan penyelesaian dari sistem persamaan berikut, jika x,y variabel pada himpunan real.a. ×+y=22×-y=27​

( 9 x + 2 ) ( 4 x 2 + 35 x − 9 ) = 0 ⟺ 9 x + 2 = 0 or 4 x 2 + 35 x − 9 = 0 ( #1 ) 9 x + 2 = 0 ∣ s u b t r a c t 2 f ro m b o t h s i d es 9 x = − 2 ∣ d i v i d e b o t h s i d es b y 9 x = − 9 2 ​ ​ ( #2 ) 4 x 2 + 35 x − 9 = 0 4 x 2 + 36 x − x − 9 = 0 4 x ( x + 9 ) − 1 ( x + 9 ) = 0 ( x + 9 ) ( 4 x − 1 ) = 0 ⟺ x + 9 = 0 or 4 x − 1 = 0 x = − 9 or 4 x = 1 x = − 9 ​ or x = 4 1 ​ ​ S o l u t i o n s : x = − 9 2 ​ or x = − 9 or x = 4 1 ​ .

Answered by Anonymous | 2024-06-10

The solutions to the equation ( 9 x + 2 ) ( 4 x 2 + 35 x − 9 ) = 0 are x = − 9 2 ​ , x = − 9 , and x = 4 1 ​ . This is obtained by setting each factor to zero and solving for x .
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Answered by Anonymous | 2024-12-24

Jawab : Hp = {29/3, -23/3}

Answered by ciomii | 2025-08-21