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b) (3y + 2x)² = 9y² + 12xy + 4x²
c) (½x + 4y)² = ¼x² + 4xy + 16y²
d) (x - 5)² = x² - 10x + 25
e) (2x - 5)² = 4x² - 20x + 25
f) (x + 2)(x - 2) = x² - 4
g) (3y + 2x)(3y - 2x) = 9y² - 4x²
h) (2m - 10n)(2m + 10n) = 4m² - 100n²
b) (3y+2x)² = 9y+12xy+4x²
c) (½x+4y)² = ¼x+4xy+16y²
d) (x-5)² = x²-10x+25
e) (2x-5)² = 4x²-20x+25
f) (x+2)(x-2) = x²-4
g) (3y+2x)(3y-2x) = 9y²-4x²
h) (2m-10n)(2m+10n) = 4m²-100n²