Question

using factorisation, find the roots of the quaratic equation 6p² - 5p - 21 = 0 ?​

Answer 1

Step-by-step explanation:

=> 6p^2 - 14p + 9p - 21 = 0

=> 2p(3p-7) + 3(3p - 7) = 0

=> (2p+3)×(3p-7)= 0

=> 2p+3= 0 (or) 3p-7 = 0

=> p= -3/2 (or) p = 7/3