Answer:
a) (x+6)(x+5)
b) (x+11)(x+11)
c) (x-6)(x+5)
d) (x-9)(x+2)
Step-by-step explanation:
im assuming its written like this:
[tex]a) x^{2} +11x+30\\b) x^{2} +22x+121\\c) x^2+x-30\\d)x^2-7x-18[/tex]
a) (x+6)(x+5)
b) (x+11)(x+11)
c) (x-6)(x+5)
d) (x-9)(x+2)
hope this helps, to double check use foil