Combine Like Terms:<span>=<span><span><span>6y</span>+<span>−<span>6y</span></span></span>+<span>−<span>12y</span></span></span></span><span>=<span>(<span><span><span>6y</span>+<span>−<span>6y</span></span></span>+<span>−<span>12y</span></span></span>)</span></span><span>=<span>−<span>12<span>y
it doesn't accurately reflect a representation because you still don't know exactly how much the birds and snakes are. you know what they are together but not apart and that's not acceptable
(8-3)²-(5-2)² Follow the PEMDAS P-Parenthesis E-Exponents M/D-Multiplication/Division A/S-Addition/Subtraction clear the numerals in the parenthesis: (5)²-(3)² Now do the exponents: =25-9 =16 Its just: (5)²-(3)²