Solve the problem by combining like terms.Given the following quadrilateral, express the perimeter, or total distance around the figure, as an algebraic expression containing the variable x.
A. 6x + 6 inches
B. 6x + 4 inches
C. 5x + 6 inches
D. 5x + 4 inches
Answer: B
Mathematics
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Completely factor the polynomial or state that the polynomial is prime.125 - 8x3
A. (5 - 2x)(25 + 4x2) B. (125 - 2x)(1 + 10x + 4x2) C. (5 + 2x2)(25 - 10x + 4x2) D. (5 - 2x)(25 + 10x + 4x2)
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.49x2 + 64y2
A. (7x + 8y)2 B. (7x - 8y)2 C. (7x + 8y)(7x - 8y) D. prime
Mathematics
Solve the quadratic equation. Write the answer in simplest form.3x2 - 21 = 0
A. {
}
B. 
C. 
D. {-
, 
}
Mathematics
What number should be added to complete the square of the expression?x2 - 12x
A. 18 B. 36 C. -6 D. 72
Mathematics