Faktorkanlah: a. 3p2 – 48q2 b. x2 – 21x +90 tolong jawab

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Faktorkanlah:
a. 3p2 – 48q2
b. x2 – 21x +90
tolong jawab

Jawaban:

a.

3 {p}^{2} - 48 {q}^{2} = 3( {p}^{2} - 16 {q}^{2}) \ =3(p - 4q)(p + 4q)

b.

{x}^{2} - 21x + 90 = (x - 6)(x - 15)