Question

factorise..show working a)9-4t² b)9+35x-4x² c)25t²-4

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a) (3-2t)(3+2t)

b) (9-x)(1+4x)

c) (5t-2)(5t+2)

Step-by-step explanation:

b) 9 +36x - x -4 x^2

9(1+4x) - x(1+4x)

(9-x)(1+4x)