因式分解 16x^2-8x+1-y^2-6y-9

解答

因式分解

16 x^{2} - 8 x + 1 - y^{2} - 6 y - 9

16 x^{2} - 8 x - y^{2} - 6 y - 8

求解步骤

16 x^{2} - 8 x + 1 - y^{2} - 6 y - 9

对同类项分组

= 16 x^{2} - 8 x - y^{2} - 6 y + 1 - 9

数字相加/相减:

1 - 9 = - 8

= 16 x^{2} - 8 x - y^{2} - 6 y - 8

f a c t or 2.93 \cdot 6.96

f a c t or \frac{m ^{2} - 6 m + 8}{2 m - 2}

f a c t or 16 p q^{2} - 7 y pq + 16 rs q - 7 yrs

f a c t or 25 x^{2} - 30 x^{2} + 9

f a c t or 8 p x + 6 q y - 3 q x - 16 p y