Question

find the value of quadractic equation 5x^–7=–6x​

Answer 1

Answer:

x=-6-√176/10 .

Explanation:5x²+6x-7 , a=5, b=6 and c=-7.

D=b²-4ac

=6²-4×5×(-7)

=36+140

= 176

Applying the quadratic formula, we get :

x= -6±√176/2(5)

x= -6±√176/10

x= -6+√176/10 and x=-6-√176/10 .

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