8 units
(This is how I get the answer)
(This is how I get the answer)
Identify the property illustrated: 7+ (-7) = 0
1 answer:
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Answer:
Proven
Step-by-step explanation:
We prove the polynomial with factorization. We must first simplify the expression before we can factorize:
4 is the common number and we can take it out of the expression:
We can factorize further with the x term being zero. For this to be true we must have -2x and 2x to cancel out and therefore the expression is proven: