Giúp mik với ạ, mik đang cần gấp lm nhanh mik vote cho ạ

Tìm x nguyên để biểu thức A nguyên

5. Although he was tired, he finished doing his homework. A. In spite his tiredness, he finished doing his homework. B. In spite of his tiredness, he finished doing his homework. C. In spite of he was tired, he finished doing his homework. D. In spite his tired, he finished doing his homework. 6. My sister failed the exam because she was lazy. A. Because my sister’s laziness, she failed the exam. B. Because of my sister’s laziness, she failed the exam. C. Because of my sister was lazy, she failed the exam. D. Because of my sister laziness, she failed the exam. 7. Although they are poor, they are very generous. A. In spite of their poverty, they are very generous. B. In spite of their poor, they are very generous. C. In spite of they are poor, they are very generous. D. In spite of their poverty but they are very generous.

tìm x,y nguyên thỏa mãn: (y-1)^2(x+y+1)= (y+1)^2

Giải giúp mình câu này: Chứng minh đẳng thức (x-y)(x^3+x^3+x^2y+xy^2+y^3)=x^4-y^4

Calli: Happy Birthday Hoidap247 Tone: vàng + xanh

Số x là một số lẻ k phải là 1 mệnh đề đúng k mọi người

Giúp mik vs làm bằng penta nhé!!!! 10. x^2 - (m - 1)x + m - 4 = 0 11. x^2 - 2(m + 1)x + 2m = 0 12. x^2 - 2x - (m^2 + 4) =0

anh cj giúp e với e cần gấp ạ mong anh chj giúp

14.. Although they performed very beautifully, I didn’t want to see.  Despite _________________________________ 15.Because of her bad performance, I didn’t want to see. Although____________________________________________