Question

(x-4)(x+3)

Answer 1

Tk

(𝑥−4)(𝑥+3)(x-4)(x+3)(x−4)(x+3)Rút gọn1Phân phối (𝑥−4)(𝑥+3){\color{#c92786}{(x-4)(x+3)}}(x−4)(x+3)𝑥(𝑥+3)−4(𝑥+3){\color{#c92786}{x(x+3)-4(x+3)}}x(x+3)−4(x+3)2Phân phối 𝑥(𝑥+3)−4(𝑥+3){\color{#c92786}{x(x+3)}}-4(x+3)x(x+3)−4(x+3)𝑥2+3𝑥−4(𝑥+3){\color{#c92786}{x^{2}+3x}}-4(x+3)x2+3x−4(x+3)3Phân phối 𝑥2+3𝑥−4(𝑥+3)x^{2}+3x{\color{#c92786}{-4(x+3)}}x2+3x−4(x+3)𝑥2+3𝑥−4𝑥−12x^{2}+3x{\color{#c92786}{-4x-12}}x2+3x−4x−124Kết hợp các số hạng đồng dạng 𝑥2+3𝑥−4𝑥−12x^{2}+{\color{#c92786}{3x}}{\color{#c92786}{-4x}}-12x2+3x−4x−12𝑥2−𝑥−12x^{2}{\color{#c92786}{-x}}-12x2−x−12Đáp án𝑥2−𝑥−12

Answer 2

tk

Answer 3

=X^2 + 3x -4x -12