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If your function is 4x^2+16x+16=0 then x=-2, if it is 4x^2-16x+16=0, then x=2
16x+9 without the rest of the equation, what this equals, I can't solve
Combine like terms, meaning add 12X plus 4X which is 16X and then you add 25Y plus 15Y which equals 40Y so the answer will be 16x+40y. combine like terms means add the ones with the same variable.
16x - 8x + 12 = 78 + 22 or simplified to (16x-8x=8x)(78+22=100) 8x + 12 = 100 Simplify some more (Subtract 12 from both sides) 8x = 88 Divide both sides by 8, and x = 11
4x + 9 = 254x = 25 - 94 x = 16x= 16/4x= 4