You need to implement the process of "flip-flop" and multiply which is where you flip the second fraction and multiply.

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Now you multiply across. 2×15=30 and 3×11=33
So now it is

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To reduce to the lowest terms, find the GCF common factor
The GCF is 3
Divide both the numerator and denominator by 3

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Answer:
Step-by-step explanation:
the answer is in picture
What model? It only says please help me lol
8 blocks because 2/10=1/5 so if they total 4/5 then 2/10+2/10+2/10+2/10=8/10=4/5
U r going to subtract 3 from each side of the equation....leaving you with :
x^2 + 2x = -3