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Mathematics, 14.03.2020 04:25 shezelleramadoo3451

(36 - 4t) squared.

The question is factorise by taking out the GCF which I did, and I got

4(9-t)(9+t)

The textbook answer sheet says the answer is

4(3-t)(3+t)

Where did I go wrong?

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(36 - 4t) squared.

The question is factorise by taking out the GCF which I did, and I go...
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