Question

please answer fast
10 to 19 no please ​

Answer 1

Answer:

Solve your question....... and I am solving this in a best manner.......

Answer 2

Step-by-step explanation:

10.) -12xx 4y + 20xy2

12.) 9t2 + 63t5

15.) 2/3 a2bc + 2/3 ab2c 2/3abc2

16.) 24 x2(1 - 2x)

24 × 2 × 2 (1- 2 × 2)

96 - 3

- 288

17.) 2×1/2(2×2+1/2×1/2)

1(4/1+1/4)

1×16+1/4

1×17/4

17/4

18.) 2(2×2-2×3)

2(4-6)

8-12

-4

19.) 3×5(4×5+5×5)

15(20+25)

15×45

675