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Factors of Algebraic Expressions and Factorisation

Question

Solve :-
$(3 x^{2} + 5 x - 9) \times (3 x - 5)$

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Solution

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$= (3 x^{2} + 5 x - 9) \times (3 x - 5)$
$= 9 x^{3} + 15 x^{2} - 27 x - 15 x^{2} - 25 x + 45$
$= 9 x^{3} - 52 x + 45$

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Similar Questions

Q1

Solve :-

(3 x^{2} + 5 x - 9) \times (3 x - 5)

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Q2

Find the product:
(3x² + 5x − 9) × (3x − 5)

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Q3

Solve the equation

5x+9=5+3x

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Q4

Solve the following equations by trial and error
method:

$(1) x - 10 = 5$

$(2) \frac{a}{7} + 8 = 6$

$(3) x^{2} + 6 = 9$

$(4) 19 = x + 13$

$(5) \frac{x}{4} = 9$

$(6) 2 x + 4 = 3 x - 4$

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Q5

Solve and check result: 5x + 9 = 5 + 3x

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