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Mathematics
Nyasia Frank
24 January, 04:58
What is the product of (7x+3) ^2
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Bria Stevens
24 January, 05:33
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The answer is 49x^2 + 42x+9
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Athena Compton
24 January, 05:44
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49x² + 42x + 9
Step-by-step explanation:
Given
(7x + 3) ²
= (7x + 3) (7x + 3)
Each term in the second factor is multiplied by each term in the first factor, that is
7x (7x + 3) + 3 (7x + 3) ← distribute both parenthesis
= 49x² + 21x + 21x + 9 ← collect like terms
= 49x² + 42x + 9
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