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((2x+7)^(2))/(2x)-(2x-7)^(2) |
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Answer» Expand Exponent `2 * (2 x + 7) * (2 x + 7) + -(2 x + -7) ^ 2` Distribute `(4 x + 14) * (2 x + 7) + -(2 x + -7) ^ 2` Distribute `8 x ^ 2 + 28 x + 28 x + 98 + -(2 x + -7) ^ 2` Collect And Combine Like Terms `8 x ^ 2 + 56 x + 98 + -(2 x + -7) ^ 2` Expand Exponent `8 x ^ 2 + 56 x + 98 + -((2 x + -7) * (2 x + -7))` Distribute `8 x ^ 2 + 56 x + 98 + -(4 x ^ 2 + -14 x + -14 x + 49)` Collect And Combine Like Terms `8 x ^ 2 + 56 x + 98 + -(4 x ^ 2 + -28 x + 49)` Distribute Negative One `8 x ^ 2 + 56 x + 98 + -4 x ^ 2 + 28 x + -49` Collect And Combine Like Terms `4 x ^ 2 + 84 x + 49` |
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