化简 (4a-2)-(6a+3)

解答

化简

(4 a - 2) - (6 a + 3)

- 2 a - 5

求解步骤

(4 a - 2) - (6 a + 3)

使用法则:

(a) = a

(4 a - 2) = 4 a - 2

= 4 a - 2 - (6 a + 3)

使用分配律:

- (a + b) = - a - b

- (6 a + 3) = - 6 a - 3

= 4 a - 2 - 6 a - 3

对同类项分组

= 4 a - 6 a - 2 - 3

s im pl i f y \frac{( \frac{1}{2} 10 )}{( 2 2 )}

s im pl i f y \frac{18 3}{6}

s im pl i f y \frac{2}{9} \cdot (- \frac{6}{5})

e x p an d 3 (x + 2)

s im pl i f y - 2^{4} + 3^{- 1}