English, asked by Rishikadash2020, 6 months ago

5x-6y-72 and 2x+3y+z

Answers

Answered by hello4317

1

Answer:

Add

5x+2x+3y-6y+z+72

= 7x-3y+z+72

Explanation:

Multiply

10x2+ 15xy +5xz -12xy-18y2 - 6xy-144x-216y-72z

10x2 -18y2+15xy-12xy-6xy+5xz-144x-216y-72z

10x2 -18y2-3xy+5xz-144x-216y-72z

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