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3 years ago

9

How to factorise this question

1 answer:

miskamm [114]3 years ago

7 0

Answer:

Step-by-step explanation:

90-2(a-3)^2

=88{(a)^2-2*a*3+(3)^2]

=88[a^2-6a+9}

=88a^2-528a+792

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