Question

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in Formula method

$x ^{2} + 4x - 7 = 0$
​

Answer 1

Step-by-step explanation:

x2+4x-7=0

x(x+4)-7=0

by factorization method

Answer 2

GIVEN :-

x² + 4x - 7 = 0

a = 1

b = 4

c = - 7

D = x

TO FIND :-

"x"

SOLUTION :-

FORMULA IS :-

D = b² - 4ac

D = ( 4 )² - 4 × 1 × -7

D = 16 + 28

D = 44

So,

x = 44.

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