Simplify : $a (b + c - d)$

a b + a c - a d

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a b + a d

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a b - a c + a d

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- a b + a c - a d

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Solution

The correct option is B $a b + a c - a d$
$a (b + c - d)$

When a number is written besides a bracket, it implies there is multiplication between them.

$∴ a \times (b + c - d) = a b + a c - a d$

The term outside gets multiplied with each term inside the bracket

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Similar questions

In the given figure, $A B > A C .$ Then, which of the following is true?

(a) AB < AD

(b) AB = AD

(d) Cannot be determined

∠ B A C = 90^{\circ} a n d A D ⊥ B C

B D . C D = B C^{2}

A B . A C = B C^{2}

B D . C D = A D^{2}

A B . A C = A D^{2}

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