Question

(x2 + 3x)2 – 2(x2 + 3x) - 8 = 0​

Answer 1

Answer:

x = [ -b + sqrt(b2-4ac) ] / (2a)

For us, a=1, b=3, c=8

x = [ -3 + sqrt[ 9-4(1)(8) ] ]/ (2(1)

x = [ -3 + sqrt(-23) ] / 2

Two solutions are:

x = -(3/2) - i(√23)/2

and

x = -(3/2) + i(√23)/2

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