Factorise each of the following: (x + 2)² – (x + 4)²
Answers
Answered by
1
Answer:
2(x-3)(x+2)
Step-by-step explanation:
=x²+2x+4-x²-4x-16
=2x²-2x-12
=2(x²-x-6)
=2(x²-3x+2x-6)
=2{x(x-3)+2(x-3)}
=2(x-3)(x+2)
Answered by
3
Answer:
-4x-12
Step-by-step explanation:
(x^2 + 2x2+2^2)-(x^2+2x4+4^2)
x^2 +4x+4-x^2-8x-16
-4x-12 answer
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