Question

explain step by step​

Answer 1

(B) x² - 5x - 14 = 0

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

x = 7 , ( x - 7 ) = 0

( x + 2 ) × ( x - 7 ) = x² -5x -14

Answer 2

Step-by-step explanation:

considering alpha=@ and beta=ß

now we now that@+ß= -b/a

and @ß=c/a

So taking @= -2 and beta = 7

@+ß=(-2)+7

=5 ------->Sum(S)

@ß=(-2)(7)

= -14---------->Product(P)

formula for forming quadratic polynomial =x²-Sx+P

So, x²- (5)x+(-14)

=x²-5x-14 ans

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