+150 How would you do 7x squared + 27xy + 18y squared? I'm so used to the format of x squared + x + ___(insert number here)
+118687 I expect you want me to factorize it?
$$\\7x^2+ 27xy + 18y^2\\$$
This is a tough one.
We want to find 2 numbers that mult to 7*18 and add to 27
prime factors of 7*18 are 7*3*3*2 I notice straight off that 21+6=27
so the numbers are 21 and 6
change 27xy into 21xy+6xy
$$\\7x^2+ 27xy + 18y^2\\
=7x^2+ 21xy +6xy+ 18y^2\\
=7x(x+3y)+6y(x+3y)\\
=(7x+6y)(x+3y)$$
Do you understand Anima ?
+118687 I expect you want me to factorize it?
$$\\7x^2+ 27xy + 18y^2\\$$
This is a tough one.
We want to find 2 numbers that mult to 7*18 and add to 27
prime factors of 7*18 are 7*3*3*2 I notice straight off that 21+6=27
so the numbers are 21 and 6
change 27xy into 21xy+6xy
$$\\7x^2+ 27xy + 18y^2\\
=7x^2+ 21xy +6xy+ 18y^2\\
=7x(x+3y)+6y(x+3y)\\
=(7x+6y)(x+3y)$$
Do you understand Anima ?
