Factorization of polynomials - Jamb Mathematics Past Questions and Answers

Question 26:

• JAMB 1986

Factorize \(x^2 + 2a + ax + 2x\)

A. (x + 2a)(x + 1)
B. (x + 2a)(x - 1)
C. (x² - 1)(x - a)
D. (x + 2)(x + a)

Question 27:

• JAMB 1986

Solve the equation 3x2 + 6x - 2 = 0

A. X = -1 \(\pm\) \(\frac{\sqrt{3}}{3}\)
B. X = -1 \(\pm\) \(\frac{\sqrt{15}}{3}\)
C. X = -2 \(\pm\) 2
D. X = 3 \(\pm\) \(\frac{\sqrt{3}}{15}\)

Question 28:

• JAMB 1986

Factorize (4a + 3)² - (3a - 2)²

A. (a + 1)(a + 5)
B. (a - 5)(7a - 1)
C. (a + 5)(7a + 1)
D. A(7a + 1)

Question 29:

• JAMB 1987

Factorize 6^{2x + 1} + 7(6^x) - 5

A. [3(6^x) - 5][2(6^x)m + 1]
B. [3(6^x) + 5][2(6^x) - 1]
C. [(6^x) - 5][3(6^x) + 1]
D. [2(6^x) + 5][3(6^x) - 1]

Question 30:

• JAMB 1988

Simplify \(\frac{4a^2 - 49b^2}{2a^2 - 5ab - 7b^2}\)

A. \(\frac{a - b}{2a + b}\)
B. \(\frac{2a + 7b}{a - b}\)
C. \(\frac{2a - 7b}{a + b}\)
D. \(\frac{2a - 7b}{a - b}\)