The perimeter of the square would be 56 cm
Answer:
No roots
Step-by-step explanation:
the discriminant Δ = 12²-4×(-10)×(-9) = -216
since ∆ is negative then the equation -10x^2 + 12x − 9 = 0 has no solution .
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Just ask the person you got the answer from to send you a picture or something
