#include<bits/stdc++.h>
using namespace std;
const long long inf = 1e18;
const int mininf = 1e9 + 7;
#define int long long
int read(){int x = 0, f = 1;char ch = getchar(); while(ch < '0' or ch > '9'){if(ch == '-'){f = -1;} ch = getchar();} while(ch >= '0' and ch <= '9'){x = (x << 3) + (x << 1) + (ch ^ 48); ch = getchar();}return x * f;}
void write(int x){if(x < 0)	putchar('-'), x = -x;if(x >= 10)	write(x / 10);putchar(x % 10 + '0');}
#define put() putchar(' ')
#define endl puts("")
#define pb emplace_back

int gcd(int a, int b){
	if(!b)	return a;
	return gcd(b, a % b);
}

void print(int x, int y){
	if(x % y == 0){
		write(x / y);
		return ;
	}
	int com = gcd(x, y);
	x = x / com, y = y / com;
	if(x < 0 and y < 0){
		x = -x, y = -y;
	}
	else if(y < 0){
		x = -x, y = -y;
	}
	write(x), putchar('/'), write(y);
}

void solve(){
	int a = read(), b = read(), c = read();
	int delta = b * b - 4 * a * c;
	if(delta < 0){
		puts("NO");
		return ;
	}
	int mk = 1;
	if(a < 0){
		mk = -1;
	}
	if((long long)sqrt(delta) * (long long)sqrt(delta) == delta){
		delta = sqrt(delta);
		print((-1 * b + delta * mk), (2 * a)), endl;
		return ;
	}
	if(b != 0){
		print(-1 * b, 2 * a);
		putchar('+');
	}
	int cnt = 1;
	int tmp = delta;
	int newdelta = 1;
	for(int i = 2; i * i <= tmp; i++){
		int cnt2 = 0;
		int lmao = 1;
		while(tmp % i == 0){
			tmp /= i;
			cnt2++;
			if(cnt2 % 2 == 0)	lmao *= i;
		}
		if(cnt2 % 2)	newdelta *= i;
		cnt *= lmao;
	}
	newdelta *= tmp;
	if(cnt % (2 * a) == 0){
		if(cnt == 2 * a){
			putchar('s'), putchar('q'), putchar('r'), putchar('t'), putchar('(');
			write(newdelta);
			putchar(')'); 
			endl;
			return ;
		}else{
			int q2 = (cnt / (2 * a));
			if(q2 * mk != 1)	write(q2 * mk), putchar('*');
			putchar('s'), putchar('q'), putchar('r'), putchar('t'), putchar('(');
			write(newdelta);
			putchar(')'), endl;; 
			return ;
		}
	}else{
		int p = cnt * mk, q = 2 * a;
		int com = gcd(p, q);
		p /= com, q /= com;
		if(q < 0)	p = -p, q = -q;
		if(p != 1){
			write(p), putchar('*');
		}
		putchar('s'), putchar('q'), putchar('r'), putchar('t'), putchar('(');
		write(newdelta);
		putchar(')'); 
		putchar('/');
		write(q), endl;
		return ;
	}
}

signed main(){
	int t = read();
	int m = read();
	while(t--)	solve();
	return 0;
}
/*
3 12321313
-2 12 270
-3 -18 855
-9 -2 7

record : 2956

*/