Question

(1.5m – 4n)(1.5m + 4n + 3) – (4.5m + 12n)

please do give crct ans
fastly​

Answer 1

Answer:

Ans (2.25 m^2 + 6mn + 4.5 m ) - (6mn +16 n^2 +12n) -(4.5 m +12n )

2.25 m^2 +6mn + 4.5 m - 6mn - 16 n^2 - 12n - (4.5 m+ 12n)

2.25m^2 + 0 + 4.5 m - 16 n^2 - 12 n - 4.5 m + 12 n

2.25 m^2 + 0+0 -16n^2 +0

2.25 m^2 - 16 n^ 2

Answer 2

Answer:

2.25m square - 16n square

Step-by-step explanation: