3m³ + 192
3(m³) + 3(64)
3(m³ + 64)
3(m³ - 4m² + 4m² + 16m - 16m + 64)
3(m³ - 4m² + 16m + 4m² - 16m + 64)
3(m + 4)(m² - 4m + 16)
3(m + 4)(m² - 4(m) + 4(4))
3(m + 4)(m² - 4(m + 4))
Let x and y be the digits.
x + y = 11
y + x = - 63
Take it from here. We have a system of linear equations in two variables.
Answer:
r = 8
Step-by-step explanation:
7 + 8 = 15
so r = 8!
Answer:
x=-5/2+3y
Step-by-step explanation:
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Here is my friendly solution i'll skip the proof part for now. I am working on the others.
