Question

(a square+5a-6) ×(2a+1)​

Answer 1

Answer:

6( 2a² -a -1)

Step-by-step explanation:

(a² + 5a -6) × (2a + 1)

= a²(2a + 1) +5a( 2a + 1) -6(2a +1)

= 2a² +a + 10a² + 5a - 12a -6

= 12a² -6a -6

= 6( 2a² -a -1)