XMS 2EM WA2 2021 Q3
XMS 2EM WA2 2021 Q3
Secondary 2
Expand and simplify each of the following expression.
- \((3a - 2b)(5a + b)\)
- \((2x + 3y)^2 + 3x^2 - xy\)
Solution:
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Answer:(a) \(15a^2-7ab-2b^2\) (b) \(7x^2+11xy+9y^2\)
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