Question

1. subtract 3x²+8x from the sum of 4x²+7x and 8x²+x
2. Subtract the sum of 10x-3 and 13x+9 from the sum of 14x-16 and 12 x+11
3.What must be added to 14mn²-9mn to get -2mn²-11

with solution and answer ty!
paki sagot po if alam nyo if wla wag nlang kayo if meron paki answer po need ko talaga ty!

Answer 1

Answer:

1 .  28x - 3x^2

Step-by-step explanation:

step 1

4x^2 +7x +8x^2+x

12x^2+7x +x

12x^2 + 8x

step 2

12x+8x- 3x^2+8x

20x + 8x- 3x^2

28x - 3x^2