What are the solutions of ?

Answer and explanation

Correct answer: B. and

  1. Step 1: Factorise: . Step 2. Each factor equal to zero gives or . **Answer: and . Why not the others:** The pair -2 and -3 has the wrong sign, 1 and 6 multiply to 6 but add to 7, and 5 and 6 are coefficients.

Practise more School Mathematics.

Free questions with an explanation for every one, and full timed Uzbekistan National Certificate (Milliy sertifikat) mock tests.

All School Mathematics questionsTake a mock test

More School Mathematics questions