Question

i need your help plz help ​

Answer 1

Answer:

(5a+6b-1)(5a-6b-1)

Step-by-step explanation:

(5a)^2+2(5a)(1)+(1)^2 -(6b)^2

=(5a-1)^2 - (6b)^2

=[(5a-1)+(6b)][(5a-1)-(6b)]

=(5a-1+6b)(5a-1-6b)

=(5a+6b-1)(5a-6b-1)