Combine like terms, adding/subtracting the coefficients:
(5a² + 6a + 2) + (7a² - 7a + 5) = (5+7)a² + (6-7)a + (2+5) = 12a² - a + 7
(5a² + 6a + 2) - (7a² - 7a + 5)
= (5a² + 6a + 2) + (-7a² + 7a - 5) = (5-7)a² + (6+7)a + (2-5) = -2a² + 13a - 3
You combine like terms. So the answer is -2a2 + 13a - 3.
a2 + -5a2 - a2 - a = a2 - 5a2 - a2 - a = a2 - 6a2 - a = -5a2 - a
5a(a+2b+b²)
2 is.
depends what the value of 'a' is.
This has a degree of 2.
5A2 + 3 = 48 Therefore, 5A2 = 45 Therefore, A2 = 45/5 A = sqrt(9) A = 3
It is: 5a2
5a x a = 5a2
2a2+3a2 = 5a2
4a - 5a^2
5a2 + 6ab=a(5a+6b)
solving by factoring 5a2