24-3=21; check your answer 21+3=24
Answer:
(3x - 7y)(3x + 7y)
Step-by-step explanation:
9x² - 49y² ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b)
here 9x² = (3x)² ⇒ a = 3x and 49y² = (7y) ⇒ b = 7y
9x² - 49y²
= (3x)² - (7y)² = (3x - 7y)(3x + 7y)
Answer:
d because it does not looks somlar
Answer:
-6 +8d -2c
Step-by-step explanation:
I think the answer is 1/4 + 2x :)