Please help me! Look at picture!

Answer:
THE ANSWER IS B)
Step-by-step explanation:
IF U CLOSLY LOOK AT IT U CN SEE THAT X3 IS BY IT SELF AND THEN U ADD -7+6=-1 SO U CAN CROSS A OUT. 5X^2 - 6X^2 LEAVES U WITH -X^2 SO D) CAN ALSO BE CROSSED OUT.
THAT LEAVES YOU WITH B AND C.
3X+8X=11X SO C CAN BE CROSSED OUT
THAT LEAVES U WITH THE ANSWER B)
HOPES THAT HELP
~UKIAHSMITH1
P.S. CAN U PLS MARK ME BRAINLIEST