tolong dibantu mau dikumpulin sekarang

a. (64x² - 49)/(8x - 7)²
= (8x + 7)(8x - 7)/(8x - 7)(8x - 7)
= (8x + 7)/(8x - 7)

b. (b² - a²x²)/(ax - b)²
= (b + ax)(b - ax)/(ax - b)(ax - b)
= (b + ax)-(ax - b)/(ax - b)(ax - b)
= -(b + ax)/(ax - b)
= (b + ax)/-(ax - b)
= (b + ax)/(b - ax)

c. (12pqr² - 6p²qr)/6pqr
= (2r - p)6pqr/6pqr
= 2r - p

d. (x² + 5x + 6)/(x² + 6x + 8)
= (x + 3)(x + 2)/(x + 2)(x + 4)
= (x + 3)/(x + 4)

e. (x² - 1)/[(1 + xy)² - (x + y)²]
= (x + 1)(x - 1)/[(1 + xy + x + y)(1 + xy - x - y)]
= (x + 1)(x - 1)/[(xy + y + x + 1)(xy - y - x + 1)]
= (x + 1)(x - 1)/{[y(x + 1) + 1(x + 1)][y(x - 1) - 1(x - 1)]
= (x + 1)(x - 1)/(x + 1)(y + 1)(x - 1)(y - 1)
= 1/(y + 1)(y - 1)
atau
= 1/(y² - 1)

maaf kalau salah
semoga membantu