binomial formulas reverse problem 4:
You can do the following exercise here: binomial formulas reverse problem 4
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find the binomial formula:
a) 9x² – 66x + 121 = ?
b) 0,25x² + 4xy + 16y² = ?
c) 72x² – 98y² = ?
Here you can downloads two exercise sheets:
answers:
find the binomial formula:
a) 9x² – 66x + 121 = (3x – 11)²
b) 0,25x² + 4xy + 16y² = (0,5x + 4y)²
c) 72x² – 98y² = 2 • (36x² – 49y²) = 2 • (6x – 7y) • (6x + 7y)