# Algebra 2

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• And then add like terms right? So my answer would be x^2 + 5x + 3x + 15x right?
• I get it so its.....x^2 +8x + 15! Right?
• I have this questions that I'm struggling with. (x+3)(x+5) help?
• ﻿Psst. Tom. What's a binomial?
• Not yet, Now just combine the like terms again then you should be done!
• Binomial is an algebraic expression (or a polynomial) containing two terms that are not like terms. Why tho?
• Oh! All you have to do is use the distributive law.
• ﻿yep! you got it!
• Google, what is a monomial?﻿
• ﻿what.
• ﻿Google, what do monomials look like?
• ﻿if there is addition or subtraction, it is not a monomial, if there is a variable in the denominator it is not a monomial
• monomial: ﻿a number, variable or the product of a number and 1 or more variables with nonnegative integer exponents.
• oh so like the number 1 or 5x^2! I get it now, but if it's like 2 + x, x/y or 2y - 4 it isnt a monomial!
• Thanks for seeing me, I have no idea what a quadratic is.
• ﻿Oh okay! Are there any rules I should know about?
• ﻿So could you show me an example?
• ﻿No problemo~ anyway. A quadratic is an equation of the second degree, meaning it contains at least one term that is squared.
• ﻿Yayy okay thanks!
• The standard form is ax² + bx + c = 0 with a, b, and c being constants, or numerical coefficients, and x is an unknown variable.
• ﻿One absolute rule is that the first constant “a” cannot be a zero.
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