Commutative Property of Multiplication
Here you go mate. Very easy concept to learn :D good luck in your studies
8a+2b * -2a + 5b (since there's an invisible -1, at least the 1 is) so the product of that is -16a^2 + 10b^2
Answer:
3. 40 4. 132
Step-by-step explanation:
you multiply the length and the width
5/2+(1/2)*sqrt(31), 5/2-(1/2)*sqrt(31)