Multiply `(a+b)` by `(c+d)`

To multiply (3a+2b) by (a-b-c).

Multiply (12a + 17b) xx 4c

Using formula let's multiply : (a+b+c) (b+c-a)(c+a-b)(a+b-c)

Multiply : 3a - 4b +5c " by " -3a

On multiplying a number by 7, all the digits in the product appear as 3’s. The smallest such number is 47619 (b) 46719 (c) 48619 (d) 47649

If an angle of a triangle remains unchanged but each of its two including sides is doubled, then by what factor does the area get multiplied? (a) 2 (b) 3 (c) 4 (d) 6

Multiply: [-3d+(-7f)]b y\ (5d+f)

Multiply : 2/b ab " with " -6a^(2)c