SOLUTION: I just submitted a question on rewriting the middle term as the sum of two terms and then factor by grouping.
x^2+13+30
please help, I need help.
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Question 84894This question is from textbook algebra
: I just submitted a question on rewriting the middle term as the sum of two terms and then factor by grouping.
x^2+13+30
please help, I need help.
This question is from textbook algebra
Answer by dolly(163) (Show Source): You can put this solution on YOUR website!
May I rewrite the question as x^2 + 13x + 30
We need to find 2 numbers whose product is 30 and sum is 13.
The numbers are obviously 10 and 3.
==> x^2 + 10x + 3x + 30
= x(x+10) + 3(x+10)
= (x+10) (x+3)
Thus the factorized form is (x+10)(x+3)
Hope it is clear.
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