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Ivenika [448]
2 years ago
11

5.5 - Solving Quadratic Equations - Perfect Square Trinomials and Difference of Squares

Mathematics
1 answer:
photoshop1234 [79]2 years ago
3 0

Answer:

Step-by-step explanation:

(a²-2ab+b²)=(a-b)²

a²+2ab+b²=(a+b)²

i solve b and d

(b)

9x²-36x+36=0

(3x)²+2×3x×-6+(-6)²=(3x-6)²

(d)

a²-b²=(a+b)(a-b)

4x²-81=0

4x²-81=(2x)²-9²=(2x+9)(2x-9)

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