Question

pt da thuc thanh nhan tu

a^3-5a-14

2m^2+10m+8

a^4+64

64x^2+1

81x^4+1

Answer 1

2m²+10m+8= 2x(m^2+5m+4)
bt mỗi 1 câu...

Answer 2

a⁴ + 64 = (a⁴ + 16a² + 64) - 16a² = (a + 8)² - 16a² = (a + 8 + 4a) (a + 8 - 4a)