Add: 9x square - 1 and 5 - 4x square
Answers
Answered by
3
Answer:
5x²+4
Step-by-step explanation:
9x²–1+5–4x²
9x²–4x²+5–1
5x²+4
Answered by
3
Answer:
5x2+4 is the answer.
Step-by-step explanation:
(9x^2-1)+(5-4x^2)
=9x^2-1+5-4x^2
= 9x^2-4x^2-1+5
=5x^2+4
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