Solve the following quadratic equations by factorization:
In factorization, we write the middle term of the quadratic equation either as a sum of two numbers or difference of two numbers such that the equation can be factorized.
⇒ (16 – x)(x + 1) = 15x
⇒ -x2 – x + 16x + 16 = 15x
⇒ x2 = 16
⇒ x = �4