Question

4. resuelve los siguientes ejercicios a. (18m - 23mn + 9n4) + (-25m + 35mn +17n") + (-16m - 18mn3 - 24n4)

b. (7mx2 - 5x5 + 7n3x + 4) + (15mx2 + 18x5 - 17n3x6 + 25) - (-12mx2 - 7x5 + 13n3x6 – 17)​

Answer 1

Respuesta:

Explicación paso a paso:

$\left(18m-23mn+9n^4\right)+\left(-25m+35mn+17n\right)+\left(-16m-18mn^3-24n^4\right)\\\\18m-23mn+9n^4-25m+35mn+17n-16m-18mn^3-24n^4\\\\18m-25m-16m-23mn+35mn+9n^4-24n^4+17n-18mn^3\\\\-23m-23mn+35mn+9n^4-24n^4+17n-18mn^3\\\\-23m+12mn+9n^4-24n^4+17n-18mn^3\\\\-23m+12mn-15n^4+17n-18mn^3$

$\left(7mx^2-5x^5+7n^3x+4\right)+\left(15mx^2+18x^5-17n^3x^6+25\right)-\left(-12mx^2-7x^5+13n^3x^6-17\right)\\\\7mx^2-5x^5+7n^3x+4+15mx^2+18x^5-17n^3x^6+25-\left(-12mx^2-7x^5+13n^3x^6-17\right)\\\\-\left(-12mx^2-7x^5+13n^3x^6-17\right)-5x^5+18x^5+7mx^2+15mx^2+7n^3x-17n^3x^6+4+25\\\\-\left(-12mx^2-7x^5+13n^3x^6-17\right)-5x^5+18x^5+7mx^2+15mx^2+7n^3x-17n^3x^6+29\\\\-\left(-12mx^2-7x^5+13n^3x^6-17\right)+13x^5+7mx^2+15mx^2+7n^3x-17n^3x^6+29$

$-\left(-12mx^2-7x^5+13n^3x^6-17\right)+13x^5+22mx^2+7n^3x-17n^3x^6+29\\\\7x^5+13x^5+12mx^2+22mx^2-13n^3x^6-17n^3x^6+7n^3x+17+29\\\\7x^5+13x^5+12mx^2+22mx^2-13n^3x^6-17n^3x^6+7n^3x+46\\\\20x^5+12mx^2+22mx^2-13n^3x^6-17n^3x^6+7n^3x+46\\\\20x^5+34mx^2-13n^3x^6-17n^3x^6+7n^3x+46\\\\20x^5+34mx^2-30n^3x^6+7n^3x+46$