What should be added to a^2-5ab+3b^2 to get 3a^2+6ab-2b^2?
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Answer:2a^2 + 11ab - 5b^2
Step-by-step explanation:
let the thing which should be added be “x”
a^2 - 5ab + 3b^2 + “x” = 3a^2 + 6ab - 2b^2
”x” = (3a^2 + 6ab -2b^2) - (a^2 - 5ab +3b^2)
”x” = 3a^2 - a^2 + 6ab + 5ab - 2b^2 - 3b^2
therefore the thing that must be added is
2a^2 + 11ab - 5b^2
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