Question

the value of (x^2- x-42)(x-7)is​

Answer 1

Step-by-step explanation:

(x^2- x-42)(x-7)

(x+6)(x-7)(x-7)

The roots of the following equation are -6,7,7

Answer 2

Solution:

x^2 -x - 42

By splitting the middle term

x^2 - 7x+6x-42

x(x+7)+6(x+7)

(x+7)(x+6) is the factorise form of the expression

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