Question

add these expression: x^3- x^2+7,-9x+10x^2-6 and 2x-3x^2-5
solve this

Answer 1

=> x cube - x square + 7 + ( - 9x +10 square - 6) + (2x - 3x square - 5.)
=> x cube - x square + 7 - 9x + 10 square - 6 + 2x - 3x square -5 .
=> x cube - x square + 10 square - 3x square - 9x + 2x + 7 - 6 - 5
=> x cube + 7x square - 7x - 4



Here is your answer .






Hope this will help you........................