Find the product of the ff.

1.5x²(x + 7)=_________
2.-3x(5x + 3)=________
3.(a + 12 ) ( a - 12)=______
4.(5x -2y) (5x+ 2y)=_____
5.(x + 8)²=_________
6.(x - 9)²=_________
7.(x-2)³=________
8.(4 + x)³_______
9.(x + 7) ( x + 3) =______
10.(y + 9 ) ( y - 6 )=______
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