Expand (9x-5t) (9x+3t)
Answers
Answered by
3
Answer:
81x²-18xt-15t²
Step-by-step explanation:
81x²-45xt+27xt-15t²
81x²-18xt-15t²
Answered by
2
Answer:
81x²+27xt-45xt-15t²
Step-by-step explanation:
81x² -18xt - 15t²
3(27x² - 6xt - 5t²)
now solve this qurdatic equation
81x²+27xt-45xt-15t²
Step-by-step explanation:
81x² -18xt - 15t²
3(27x² - 6xt - 5t²)
now solve this qurdatic equation
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