1.(×-7)(×+7)
2.(×-6)²
3.(3×-1)²
4.(×-4)(×+4)
5.(3×-1)(4×-1)
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1.(×-7)(×+7)
2.(×-6)²
3.(3×-1)²
4.(×-4)(×+4)
5.(3×-1)(4×-1)
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Answer:
1.(×-7)(×+7)= x²-49
2.(×-6)²= x²-12x+36
3.(3×-1)²= 9x²-6x+1
4.(×-4)(×+4)= x²-16
5.(3×-1)(4×-1)= 12x²-7x+1
Answer:
1. x²-14
2. x²-12x+36
3. 9x²-6x+1
4. x²-16
Step-by-step explanation:
1. (x-7)(x+7)=x²+7x-7x-14=x²-14
2. (x-6)²=x²-6x-6x+36=x²-12x+36
3. (3x-1)²=9x²-3x-3x+1=9x²-6x+1
4. (x-4)(x+4)=x²+4x-4x-16=x²-16