b.) (4x²- 5xy + 9y²) + (x²- xy + 8y²=
I need real answer
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b.) (4x²- 5xy + 9y²) + (x²- xy + 8y²=
I need real answer
with explanation
thank you.
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Answer:
5x^2-6xy+17y^2
Step-by-step explanation:
remove parentheses:
4x^2-5xy+9y^2+x^2-xy+8y^2
collect like terms:
(4x^2+x^2)+(-5xy-xy)+(9y^2+8y^2)
Simplify:
5x^2-6xy+17y^2