Question

The value of (x^2-x-42)(x-7)is

Answer 1

hope it helps you......

Answer 2

Q. The value of (x²-x-42)(x-7)is

solution:-

=> (x²-x-42) (x-7)

=> x² - 7x + 6x - 42 ( x - 7 )

=> x ( x - 7 ) + 6 ( x - 7 ) ( x - 7 )

=> ( x + 6 ) ( x - 7 ) ( x - 7 )

we know ( a - b ) ( a - b ) = ( a - b )²

=> ( x + 6 ) ( x - 7 )²

i hope it helps you.