Factorise the following:
4a2–16ab + 16b2
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Answer:
4 (a - 2b^2)^2
Step-by-step explanation:
4a2−16ab2+16b4
Factor out 4.
4(a2 −4ab 2+4b4)
(a−2b2)2
Rewrite the complete factored expression.
4(a−2b2 )2
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