ZeckaBeethoven ZeckaBeethoven 10-09-2021 Mathematics contestada Directions:Simplify the following monomials.1.) -3a + 52a2.) -12x²y - 3x²y3.) 16ab³ - 43ab³4.) -15m - ( -15m)5.) 11c²d² - 20c²d²ANYONE PLEASE HELP ME BECAUSE I HAVE TO PASS THIS TOMORROW MORNING AT MY 1ST CLASS,I HOPE Y'ALL CAN HELP ME I REALLY NEED THE ANSWER RIGHT NOW:(I'LL MARK YOU AS THE BRAINLIEST:)