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Verified answer
Faktor no 5A. Rumus a^2-b^2= (a+b)(a-b)
4x^2-81 = (2x+9)(2x-9)
B. Rumus sama dgn no a
16a^4-625=(4a^2+25)(4a^2-25)
C. Keluarkan fpb bilangan soal
12x^2-72= 12(x^2-6)
Verified answer
5a.4x² - 81
= (2x + 9)(2x - 9)
5b.
16a⁴ - 625
= (4a² + 25)(4a² - 25)
= (4a² + 25)(2a + 5)(2a - 5)
5c.
12x² - 72
= 12(x² - 6)