Question

( 4x²+3y² ) x ( -2z )​

Answer 1

Answer:

(4x² - 3y²) : (2x² + 5y²) = 12:19

19(4x² - 3y²) = 12(2x² + 5y²)

76x² - 57y² = 24x² + 60y²

52x² = 117y²

x²/y² = 117/52

x²/y² = 9/4

x/y = ±3/2

x : y = 3 : 2

or

x : y = -3 : 2

Answer 2

Answer:

hey mate

(4x²+3y²)×(-2z)

-8x²z - 6y²z