product of (x-7)(x-9)
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Answered by
4
Answer:
x²-9x-7x+63
Step-by-step explanation:
x²-16x+63
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0
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( x − 7 ) ( x − 9 ) ( x - 7 )( x - 9 )
using the FOIL Method
x ⋅ x + x ⋅ − 9 − 7 x − 7 ⋅ − 9
x2 − 16x + 63
( x − 7 ) ( x − 9 ) ( x - 7 )( x - 9 )
using the FOIL Method
x ⋅ x + x ⋅ − 9 − 7 x − 7 ⋅ − 9
x2 − 16x + 63
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