Tick the correct answer-x-5x-3-a x2-5 x-15b x2-3 x-15c x2-2 x-15d x2-2 x-15

(d) x2 + 2x minus; 15 x+5x 3 #8658;xx 3+5x 3 #8658;x2 3x #160;+5x #160; 15 #8658;x2+2x 15 ...

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Addition of Negative Numbers

Tick the cor...

Question

Tick (✓) the correct answer:
(x + 5)(x − 3) = ?
(a) x² + 5x − 15
(b) x² − 3x − 15
(c) x² + 2x + 15
(d) x² + 2x − 15

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Tick $(✓)$ the correct answer in each of the following:

$(x + 5) (x - 3) = ?$

(a) $x^{2} + 5 x - 15$
(b) $x^{2} - 3 x - 15$
(c) $x^{2} + 2 x + 15$
(d) $x^{2} + 2 x - 15$

A quadratic polynomial whose zeros are $5$ and $- 3,$ is

(a) $x^{2} + 2 x - 15$

(b) $x^{2} - 2 x + 15$

(d) none of these

(\frac{x^{2} - 2 x - 8}{x^{2} - 4}) (\frac{6 - 3 x}{20 - 5 x}) =

9 x^{2} - 16 y^{2} = 144

x^{2} + y^{2} = 9

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