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Rudy Brandt
Mathematics
17 August, 04:10
Subtract (2x3 + 9x - 8) - (4x2 - 15x + 7).
+1
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Luna Howell
17 August, 04:34
0
Distribute invisible - 1
-1 (4x^2-15x+7) = - 4x^2+15x-7
now we have
2x^3+9x-4x^2+15x-7
group like terms
2x^3-4x^2+9x+15x-8-7
add
2x^3-4x^2+24x-15
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