Question

Factorise 42 – p – p2.​

Answer 1

Answer:

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Answer 2

Answer:

p = -7         ;          p = 6

Step-by-step explanation:

42 - p - p² = 0

p² + p - 42 = 0

Using Factorization method,

p² + 7p - 6p - 42 = 0

p(p + 7) - 6(p + 7 ) = 0

(p + 7)(p - 6) = 0

p + 7 = 0              p - 6 = 0

p = -7                   p = 6