Sagot :
Answer:
1. x²+x-56
2. x²-3x-54
3. x²-15x+54
4. x²+3x-54
5. 30a²-53a+21
Step-by-step explanation:
1. x²-7x+8x-56
x²+x-56
2. x²+6x-9x-54
x²-3x-54
3. x²-6x-9x+54
x²-15x+54
4. x²-6x+9x+54
x²+3x+54
5. 30a²-18a-35a+21
30a²-53a+21
Answer:
1. x²+x-56
2. x²-3x-54
3. x²-15x+54
4. x²+3x-54
5. 30a²-53a+21
Step-by-step explanation:
1. x²-7x+8x-56
x²+x-56
2. x²+6x-9x-54
x²-3x-54
3. x²-6x-9x+54
x²-15x+54
4. x²-6x+9x+54
x²+3x+54
5. 30a²-18a-35a+21
30a²-53a+21