Question

7. Factorise the given expression {(x + 3)^2 + 5(x + 3) - 24}
pls answer!
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Answer 1

Answer:

x(x+11)

Step-by-step explanation:

{(x + 3)^2 + 5(x + 3) - 24}

Substitute x+3=a

a^2+5a-24=a^2+8a-3a-24

=a(a+8)-3(a+8)

=(a+8)(a-3)

Reversing the substitution

{(x + 3)^2 + 5(x + 3) - 24}=(x+3+8)(x+3-3)

=(x+11)x

=x(x+11)