Math, asked by commando65, 7 days ago

FindtheHCFof18a2,-42a4,-150ab2

Answers

Answered by hrdriscoll

0

Answer:

Step-by-step explanation:

20.ab-ac+bc-ca+ca-cb

by rearranging ab-ab+bc-bc+ca-ca

=0+0+0=0

21.this is the same as first one the answer is 0

22. 6+2x+4-6x^2+3x

10+5x-6x^2

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