Question

find the product (x+5)(x+2) with correct identity​

Answer 1

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We know the algebraic identity ,

( x + a )( x + b ) = x²+( a + b )x + ab

Now,

( x + 5 )( x + 2 )

= x² + ( 5 + 2 )x + 5 × 2

= x² + 7x + 10

Therefore,

( x +5 )( x + 2 ) = x² + 7x + 10