Math, asked by Shllu89, 1 month ago

Q18:- Multiply ?
(15a + 11b)(8a +9b).

Answers

Answered by JigyashaJain

2

Answer:

120a² + 223ab + 99b²

Step-by-step explanation:

(15a + 11b)(8a +9b)

= [15a(8a+9b)] + [11b(8a+9b)]

= (120a² + 135ab) + (88ab + 99b²)

= 120a² + 135ab + 88ab + 99b²

= 120a² + 223ab + 99b²

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