find the following using suitable identity (p-5)(p-4)
class 8
algebraic identities
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find the following using suitable identity (p-5)(p-4)
class 8
algebraic identities
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Step-by-step explanation:
Identity =>
( x + a ) ( x + b ) => x^2 + ( a+b )x + ab
( p - 5 ) ( p - 4 )
=> p^2 + ( -5-4 )p + (-5)(-4)
=> p^2 - 9p + 20
hope that helps ✌