Question

Factorise : 7x^2+2√14x+2.

for your help: answer given in book (x+√14/7) (7x+√14).


Complete solution required​

Answer 1

Step-by-step explanation:

using quadratic equation

x=-b±√b²-4ac/2a

a=7 b=2√14 c=2

x= (-2√14±√((2√14)²-4(7)(2))/2(7)

x=-2√14±√(56-56)/14

x=-2√14±0/14

x=-√14/7 or x+√14/7=0

or

7x+√14=0

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