Use the FOIL method to multiply the factors, then solve the equation.(7 - 
)(3 + 
) = 21
A. x = 0
B. x = 0, x = 16
C. x = 0, x = 4
D. x = 16
Answer: B
Mathematics
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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 
C. 10
D. 0
Mathematics
Find the indicated fractional part.
of -81
A. 16
B. - 
C. - 
D. -18
Mathematics
Find an equation that matches the parabola's graph.
A. y = (x - 4)2 - 2 B. y = (x + 4)2 - 2 C. x = (y - 4)2 + 2 D. x = (y + 4)2 - 2
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.(3 - x)3 - x3
A. (3 + 2x)(x2 - 3x + 9) B. (3 - x)(x2 - 3x + 9) C. (3 - 2x)(3x2 - 3x + 9) D. (3 - 2x)(x2 - 3x + 9)
Mathematics