1. Multiply the following binomials.
(a) (5a + 11b)(8 + 9b)
(b) (13xy - 3z)(15xy - 8z)
Answers
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Step-by-step explanation:
a). (5a+11b)(8+9b)
=40a+45ab+88b+99b^2
b)(13xy-3z)(15xy-8z)
=195x^2y^2-104xyz-45xyz+24z^2
=196x^2 y^2 -149xyz+24z^2
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