<span>9(4x - 3y)</span>² <span>-16(3x - 2y)</span>² = (3(4х - 3у))² - (4(3х - 2у))² = (3(4х - 3у) - 4(3х - 2у))<span>(3(4х - 3у) + 4(3х - 2у)) = (12х - 9у - 12х + 8у)(12х - 9у + 12х - 8у) = -у(24х - 17у) = -24ху + 17у</span>² = 17у² - 24ху
A+b=95
(a-b)/b=3
a=95-b
95-2b=3b
b=19
1) a=52+19=71
2) a=51+19=70
3) a=57+19=76
4) a=54+19=73
5) a=56+19=75
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