Question

A) 4m^2-25=0
b) 3y^2-12=0
c)x^2+x-72=0

Plis Ya Cepat..

Answer 1

a).

4m² - 25 = 0
( 2m + 5 ) ( 2m - 5 ) = 0

m = -5/2 atau m = 5/2

b).

3y² - 12 = 0
( x + 2 ) ( 3x - 6 ) = 0

x = -2 atau x = 2

c).

x² + x - 72 = 0
( x + 9 ) ( x - 8 ) = 0

x = -9 atau x = 8