A few days ago
How do you do this?–MATH!!!!!!!?
Ok I’m not sure if this is right…. I’m getting confised.
This is 8th grade Algebra 1 btw
(4x+3)(4x+3)
so here’s what I did
(4x+3)^2
(4x)^2 + 3^2 + 2(3)(4x)
16x^2 + 9 + 24x
I have a felling this is wrong… help.
Top 7 Answers
A few days ago
Favorite Answer
You did it right!
4x(4x) +4x(3) +3(4x) +3(3)
Then you have to multiply the terms.
16x²+12x+12x+9
Combine like terms.
16x²+24x+9
That’s your answer!
1
A few days ago
It’s right, but seemingly for the wrong reason. Use FOIL (first – outer – inner – last)
first : 4x * 4x, so 16x^2
outer: 4x * 3, so 12x
inner: 3 * 4x, so 12x
last: 3 * 3, so 9
add all the terms and you get: 16x^2 + 12x + 12x +9
combine like terms to get : 16x^2+24x+9
0
A few days ago
16x^2+24x+9 is the right answers because if you use F.O.I.L, the 4x times 4x gives you 16x, the 4x times 3 gives you 12x, and you have two sets of 4x times 3, and then you have the 3×3=9. So 16x^2+24x+9 is right even though you can write is as what you wrote.
1
A few days ago
(4x+3)(4x+3)
= (4x*4x) + (4x*3) + (3*4x) + (3*3)
=16x^2+12x+12x+9
=16x^2+24x+9
0
A few days ago
Your answer is almost correct. Just rearrange your answer in descending powers of X. In other words, 16X^2+24X+9
0
A few days ago
16x^2 + 24x + 9 is correct!
1
A few days ago
almoast right dont look at it so hard the ansewr is this 16X^2+24X+9
0
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