Answer:
(x+7)(x-7)
Step-by-step explanation:
x²-7x+7x-49
1.x²-49
2.4m²-64
3.16s²-9r²
4.25yz²-9
5.9x²-4y²
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Answers & Comments
Answer:
(x+7)(x-7)
Step-by-step explanation:
x²-7x+7x-49
1.x²-49
2.4m²-64
3.16s²-9r²
4.25yz²-9
5.9x²-4y²