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Use a Vertical Format to Find the Product x2+3x5x2x7\begin{array} { l } x ^ { 2 } + 3 x - 5 \\x ^ { 2 } - x - 7\\\hline \end{array}

Question 55

Multiple Choice

Use a vertical format to find the product.
- x2+3x5x2x7\begin{array} { l } x ^ { 2 } + 3 x - 5 \\x ^ { 2 } - x - 7\\\hline \end{array}


A) x4+2x312x226x35x ^ { 4 } + 2 x ^ { 3 } - 12 x ^ { 2 } - 26 x - 35
B) 7x42x39x216x35- 7 x ^ { 4 } - 2 x ^ { 3 } - 9 x ^ { 2 } - 16 x - 35
C) 7x421x3+35x2- 7 x ^ { 4 } - 21 x ^ { 3 } + 35 x ^ { 2 }
D) x4+2x315x216x+35x ^ { 4 } + 2 x ^ { 3 } - 15 x ^ { 2 } - 16 x + 35

Correct Answer:

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