Question

What are the solutions of the equation (2x + +3)2 +
+ 8(2x + 3) + 11 = 0? Use u substitution and the quadratic formula to
solve.
-40V5
O X=
-7± √5
OX=
O x= -7 and x = -2
O x= -1 and x = 4

Answer 1

Answer:

b

Step-by-step explanation:

Answer 2

By using the substitution method the solution to the given equation is

x = ±7/2 + √5/2

System of equation

Given the equation expressed as:

(2x +3)^2 + 8(2x + 3) + 11 = 0

Expand the equation

4x^2 + 12x + 9 + 16x + 24 + 11 = 0
4x^2 + 28x + 44 = 0
x^2 + 7x + 11 = 0

Factorize the result to have:

On factorizing the values of x are

x = ±7/2 + √5/2

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