9x squared - 6x - 6x + 4
9x squared - 12x + 4
Hi there!
2³ [ (15 - 7) × (4 ÷ 2) ] = 8 [ 8 × 2 ] = 8 × 16 = 128
Hence,
The required answer is 128
~ Hope it helps!
You are estimating each into whole numbers. They are already whole numbers, and so just subtract.
428,734 - 175,842 = 252892
252,892 is your answer
hope this helps