3 meters. 9m2/3m Divide both sides by 1m 9m/3 Simplify 3m
(3m2+4n)3
Square Metre ...... eg 3m2 = 3 square metres
800
It's not very scientific, but I usually solve these things with a mixture of common sense and trial and error. Call it educated guessing. The 3 in 3m2 only has two factors, so your brackets will start out with 3m and m. (3m )(m ) All of the operational signs are pluses. The brackets will have them too. (3m + )(m + ) Now you're looking for factors of 64 that will solve the equation. 64 only has four factor pairs, so it won't take long to try them all. 64 and 1 won't work. 32 and 2 won't work. 16 and 4 won't work. (3m + 8)(m + 8) Check it using the FOIL method. (First, Outside, Inside, Last) 3m x m = 3m2 3m x 8 = 24m 8 x m = 8m (24m + 8m = 32m) 8 x 8 = 64 (3m + 8)(m + 8) = 3m2 + 32m + 64. It checks.
(3m+2n)(m+3n)
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To solve this, you find out what 3m2= (3 meters squared). 3m2= 9, and 4m2= 16.
It is -3
3 meters. 9m2/3m Divide both sides by 1m 9m/3 Simplify 3m
30,000 cm^2
(3m2+4n)3
Square Metre ...... eg 3m2 = 3 square metres
800
It's not very scientific, but I usually solve these things with a mixture of common sense and trial and error. Call it educated guessing. The 3 in 3m2 only has two factors, so your brackets will start out with 3m and m. (3m )(m ) All of the operational signs are pluses. The brackets will have them too. (3m + )(m + ) Now you're looking for factors of 64 that will solve the equation. 64 only has four factor pairs, so it won't take long to try them all. 64 and 1 won't work. 32 and 2 won't work. 16 and 4 won't work. (3m + 8)(m + 8) Check it using the FOIL method. (First, Outside, Inside, Last) 3m x m = 3m2 3m x 8 = 24m 8 x m = 8m (24m + 8m = 32m) 8 x 8 = 64 (3m + 8)(m + 8) = 3m2 + 32m + 64. It checks.
I assume you mean 3 square meters? If so it is = to 32.29 sq. ft.
Assuming the missing symbols are pluses, that factors to 3(m + 3)(m + 7)