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1/2(x²-14x+49)-12=1/2x²-7x+24,5-12=1/2x²-7x+12,5
2) y=(2x+4)²+8
1/5(4x²+16x+16)+8=4/5x²+16/5x+16/5+8=4/5x²+16/5x56/5
3) y=-3(x+5)²-9
-3(x²+10x+25)-9=-3x²-30x-75-9=-3x²-30x-84
4) y=-7(3x-4)²+21
-7(9x²-24x+16)+21=-63x²+148x-112+21=-63x²+148x-91
5) y=-8(4x+11)²-15
-8(16x²+88x+121)-15=128x²-704x-968-15=-128x²-704x-983
6) y=-6(4x+9)²-111
-6(16x²+72x+81)-111=-96x²-432x-486-111=-96x²-432x-597
7) y=1(6x-11)²+1
3/2(36x²-132x+121)+1=54x²-198x+182,5
8) y=-(x+5)²+
3/4(x²+10x+25)+1/4=3/4x²30/4x+75/4+1/4=3/4x²+30/4x+76/4
9) y=-2(9x+13)²+102
-2(81x²+234x+169)+102=-182x²-468x-338+102=-182x²-468x-236
10 y=-1(x+15)²-19
-x²-30x-225-19=-x²-30x-244