化简 sqrt((3\sqrt{2)-sqrt(14))^2}

解答

化简

(32 - 14)^{2}

32 - 14

十进制

0.50098 \dots

求解步骤

(32 - 14)^{2}

使用根式运算法则:

a^{2} = a, a \geq 0

(32 - 14)^{2} = 32 - 14

= 32 - 14

e x p an d (2 x + 4) (2 x - 4)

s im pl i f y (8 r^{2} - 7 r - 9) + (- r^{2} + r)

e x p an d (m - 4)^{2}

e x p an d (x^{2} + 1) (x - 1)

s im pl i f y x - 4 x