Question

please solve it for me​

Answer 1

Given :  x² + x - 2 = 0

To Find : write in roaster form

Solution:

x² + x - 2 = 0

using middle term spilit

x² + 2x - x  - 2 = 0

Taking x common in 1st two terms

& -1 common in alst two terms

x(x + 2) - 1(x + 2) = 0

Taking (x + 2) coomon

(x + 2)(x - 1) = 0

x + 2 = 0

=> x = - 2

x - 1 = 0

=> x = 1

Solutions are  - 2 &  1

Hence roaster form = (1 ,-2)

option d is correct

Please post question one by one

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