Tentukan bentuk sederhana dari:a.2(x-2)³b.(5-2y)(3-5y)
Jawaban:
a. 2(x – 2)³
= 2(x³ – 2³)
= 2(x³ – 8)
= 2x³ – 16
b. (5 – 2y)(3 – 5y)
= (5 x 3)(5 x -5y)(-2y x 3)(-2y x -5y)
= 15 – 25y – 6y + 10y²
= 15 – 31y + 10y²
Maaf klo salah:)
Tentukan bentuk sederhana dari:a.2(x-2)³b.(5-2y)(3-5y)
Jawaban:
a. 2(x – 2)³
= 2(x³ – 2³)
= 2(x³ – 8)
= 2x³ – 16
b. (5 – 2y)(3 – 5y)
= (5 x 3)(5 x -5y)(-2y x 3)(-2y x -5y)
= 15 – 25y – 6y + 10y²
= 15 – 31y + 10y²
Maaf klo salah:)