Question

Faktorkanlah selengkapnya:
a.x2-144
b.9x2-64
c.3a2-48
d.a(a4-81

Answer 1

A. (x+12)(x-12)
b. (3x-8)(3x+8)
c. 3(a^2-16)=3(a+4)(a-4)
d. a(a^2+9)(a+3)(a-3)

Answer 2

A. (x^2-144) = (x * 12)(x+12)
b.  (9x^2-64) = (3x-8)(3x+8)
c. 3a^2-48 = 3(a^2-16) = 3(a-4)(a+4)
d. a^4-81 = (a^2-9)(a^2+9)