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y = 4 x 2 − 64 = 4 ( x 2 − 16 ) = 4 ( x 2 − 4 2 ) = 4 ( x − 4 ) ( x + 4 ) − − − − − − − − − − − − − − − − − − − − − − − − − − − − − − − 4 ( x − 4 ) ( x + 4 ) = 0 ⟺ x − 4 = 0 or x + 4 = 0 x = 4 or x = − 4

Answered by Anonymous | 2024-06-10

x = 4
x = - 4 ;

Answered by akbusiness987 | 2024-06-15

We factored the equation y = 4 x 2 − 64 into 4 ( x − 4 ) ( x + 4 ) , set it to zero, and found the solutions: x = 4 and x = − 4 .
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Answered by Anonymous | 2025-06-12

Jawab:Penjelasan dengan langkah-langkah:1. 3y² - 5y - 10 + 15y - 6y² = (3 - 6)y² + (15 - 5)y - 10 =- 3y² + 10y - 10 (A)2. x³ + 2x² - 5x + 3 - x³ + 2x - 4 =(1 - 1)x³ + 2x² + (-5 + 2)x + 3 - 4 =2x² - 3x - 1 (B)3. (-x³ + 2x - 4) - (x³ + 2x² - 5x + 3) = -x³ + 2x - 4 - x³ - 2x² + 5x - 3 =(-1 - 1)x³ - 2x² + (2 + 5)x - 4 - 3 = - 2x³ - 2x² + 7x - 7 (C)4. 4 - 4 = 0 (E)5. (1 + 3)x³ + (5 - 4)x² + (6 - 8)x - 1 + 6 =4x³ + x² - 2x + 5 (A)6. (1 - 3)x³ + (- 4 - 5)x² + (- 8 - 6)x - 6 - (-1) =-2x³ - 9x² - 14x - 5 (D)7. (2 + 3)x³ + (4 - 8)x² + (-9 - 11)x - 7 + 10 + 5 =5x³ - 4x² - 20x + 8 (E)8. x² . x . x² = x⁵Derajat adalah pangkat tertinggi polinomial, sehingga derajat polinomial dalam soal adalah 5. (B)9. (x² + x - 3) (2x + 3) =2x³ + 2x² - 6x + 3x² + 3x - 9 =2x³ + 5x² - 3x - 9 (C)10. (x² + 2x - 3) (x² + 1) =x⁴ + 2x³ - 3x² + x² + 2x - 3 =x⁴ + 2x³ - 2x² + 2x - 3 (B)

Answered by arnymatematika | 2025-08-23