Question

From the sum of 3×2-5×+2 and -5×2-8×+5, subtract 4×2-9×+5.​

Answer 1

Step-by-step explanation:

first we add (a + 3b -4c), (4a – b+ 9c) and (-2b + 3c - a) and then subtract (2a – 3b+ 4c) step by step explanation (2a – 3b+ 4c) + (4a – b+ 9c) + (-2b + 3c - a) =2a-3b+4c+4a-b+9c-2b+3c-a =5a-6b+16c