Question

Factorización

a) 4x2 – 8 = b) m2 + m – 12 = c) 64x3 – 27 = d) 28m2n3 + 7mn2 = e) x2 – 21x + 20=

Answer 1

a) 4(x^2 -8)
b) (m+4)(m-4)
c)(4x-3)(16x^2 + 12x + 9)
d)7mn^2 (3mn + 1)
e)
x^2-21x+20=0
x______-20
x______-1

(x-20)(x-1)=0