Simplify: (10m^2+6mx−11x^2)+(−2m^2+4mx+4x^2).
2 answers:
Answer: 8m^2 - 7x^2 + 10mx
Step-by-step explanation:
Answer:
Step-by-step explanation:
10m^2 + 6mx - 11x^2 - 2m^2 + 4mx + 4x^2
-7x^2 + 10mx + 8m^2
quadratic equation
x = - 4m/7
x = 2m
----------------------
we always take the possitive value
x = 2m or m = x/2
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