expand and simplify the equation
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Answer:
9x + x² - 17
Step-by-step explanation :
(3x - 4 )² + ( x + 1 )( x- 1 )
= 9x - 16
( x + 1 )( x - 1)
(x² - x + x - 1)
= x² - 1
( combine all new equations solved )
9x - 16 + x² - 1
( re-arrange like terms )
9x + x² -16 - 1
9x + x² - 17
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