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Question

3 years ago

13

help help help help help help help help help help help help help help help help help help help help help help help help help hel

p help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help help

Mathematics

1 answer:

xxMikexx [17] · Answer 1 · 2022-10-22T17:45:31+03:00

xxMikexx [17]3 years ago

3 0

6)

=(4×4-6×2×1+9×1)(2×2+3×1)

=(16-12+9)(4+7)

=13×11

=143 is the answer...

7)

9x(6x−5y)−12x2(6x−5y)

⇒(9x−12x2)(6x−5y)

⇒3x(3−4x)(6x−5y).

Hence, the answer is 3x(3−4x)(6x−5y).