Tick ( ) the correct answer: (x + 5)(x - 3) = ? - Vidyadip

MCQ

Tick $(\checkmark)$ the correct answer: $(x + 5)(x - 3) = ?$

A
$x^2 + 5x - 15$
B
$x^2 - 3x - 15$
C
$x^2 + 2x + 15$
✓
$x^2 + 2x - 15$

✓

Answer

Correct option: D.

$x^2 + 2x - 15$

D. $x^2 + 2x - 15$
Solution:
$(x + 5)(x - 3)$
$(x)^2 + (5 - 3)x + 5 \times (-3)$
$= x^2+ 2x - 15$

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