Hey there!
[tex] x^2 + 15 +56 \\ x^2 +(15+56) \\ 15 + 56 = 71 \\ x^2+71 \\ Answer: x^2 + 71 [/tex]
Good luck on your assignment and enjoy your day!
~[tex] LoveYourselfFirst:) [/tex]
I know you meant "x^2 + 15x + 56" since you wanted to trinomial, but here are the steps for it:
x^2 + 15x + 56
= x^2 + 7x + 8x + 56
= (x^2 + 7x) + (8x + 56)
= x(x + 7) + 8(x + 7)
= (x+7) (x+8)
