Multiply.(-5x - 1)(-2x + 1)

A. -7x2 - 3x - 3
B. 10x2 - 3x - 3
C. 10x2 - 3x - 1
D. -7x2 - 3x - 1


Answer: C

Mathematics

You might also like to view...

Solve and check the equation.0.40x - 0.20(40 + x) = 0.05(40)

A. {40} B. {60} C. {25} D. {50}

Mathematics

Solve the given differential equation.9 + 4y = 0

A. y = c1 sin x + c2x cos x
B. y = ex
C. y = c1 sin x + c2 cos x
D. y = (c1 + c2x)e2x/3 

Mathematics

Given f(x) and g(x), find the sum or difference as indicated.If f(x) =  and g(x) = x2, find f(x) + g(x).  

A. 9x2
B. 9
C. 9x
D. 9x2

Mathematics

Fill in the digits for the given place values in the following whole number.17,396ten thousands   ones    

A. Ten thousands 9, ones 3 B. Ten thousands 1, ones 7 C. Ten thousands 7, ones 6 D. Ten thousands 1, ones 6

Mathematics