Factorise: x⁴- (x - z)⁴
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
x ⁴ −(x−z) ⁴
=(x²)²−{(x−z)²}²
=(x² +(x−z)² )(x² −(x−z)²) ²
=(x² +x² −2xz+z² )(x+x−z)(x−x+z)
=(2x² −2xz+z²)(2x−z)(z)