Question

Factorize a² + a - 2

Answer 1

Answer:

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Answer 2

Answer:

Factorize a² + a - 2  = a = 1,a = -2

Explanation:

a² + a - 2

Multiples of 2 which gives the sum or difference as 1 is 2 and 1

Therefore, a² + 2a - 1a - 2

= a ( a + 2 ) - 1 ( a + 2 )

= ( a - 1 ) , ( a + 2 )

Where it's roots of the equation a² + a - 2

will be,

          either, a = 1 , a = -2