因式分解 (x^2+12)+(36-9y^2)

解答

因式分解

(x^{2} + 12) + (36 - 9 y^{2})

x^{2} + 48 - 9 y^{2}

求解步骤

(x^{2} + 12) + (36 - 9 y^{2})

去除括号:

(a) = a

= x^{2} + 12 + 36 - 9 y^{2}

数字相加:

12 + 36 = 48

= x^{2} + 48 - 9 y^{2}

s im pl i f y l in (0.2)

s im pl i f y (0.5) x - 85

f a c t or sin (2 a - 2 b)

f a c t or sin^{4} (3 x^{2} - 2 x)

f a c t or (- 2 + 3)^{3}