Объяснение:
x2 - 12х + 20. ... (7х + 1)(х – 3) + 20(х - 1)(х + 1) = 3(3х – 2)2 + 13. ... ( 2x – 7)(х + 1) + 3(4x — 1)(4х + 1) = 2(5х – 2)? - 53. ... 5x - 2y = 11;.
Объяснение:
x2 - 12х + 20. ... (7х + 1)(х – 3) + 20(х - 1)(х + 1) = 3(3х – 2)2 + 13. ... ( 2x – 7)(х + 1) + 3(4x — 1)(4х + 1) = 2(5х – 2)? - 53. ... 5x - 2y = 11;.