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DATE:
Factorisze the following quadratic
polynomial
(a+ 7) (a-10)+ 16 =
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Step-by-step explanation:
(a+7) (a-10) + 16
a^2 - 10a + 7a - 70 +16
a^2 - 3a -54
a^2 - 9a + 6a - 54
a( a - 9 ) + 6( a - 9 )
( a + 6 ) ( a - 9)
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