To factorize the expression 7a^2 - 8ab, you need to find the greatest common factor of the two terms. In this case, the common factor is a. So, you can factor out an 'a' to get a(7a - 8b) as the factored form of the expression. This means that 7a^2 - 8ab can be simplified as a multiplied by the quantity (7a - 8b).
7a2 + 53a + 28 = 7a2 + 49a + 4a + 28 = 7a(a + 7) +4(a + 7) = (a + 7)(7a + 4)
6a squared-8ab+2a factor completely and check mentally
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2a(3a - 4b + 1)
To factorise is to find the numbers that divide into the original number by only using prime numbers. For example factorise 20 = 2 times 2 times 5
6ab2 + 7a2b find the common variables and numbers:In this case only the variables are common and they are a & b. so you take out a &b out of the brackets and factorise.Answer: ab(6b+7a)
7a2(a + 1)(a - 1)(a2 + 1)
7a2 + 53a + 28 = 7a2 + 49a + 4a + 28 = 7a(a + 7) +4(a + 7) = (a + 7)(7a + 4)
6a to the second power minus 8ab + 2a
6a squared-8ab+2a factor completely and check mentally
8ab
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2a(3a - 4b + 1)
Provided multiplication is commutative, it is 8ab.