How do you simplify $4 f^{2} + 6 f^{2} - 4 f^{2} + 9 f^{2}$ $4f ^ { 2} + 6f ^ { 2} - 4f ^ { 2} + 9f ^ { 2}$ ?

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Answer 1 · 2018-03-27T17:24:17

$15 f^{2}$ $15f^2$

take $f^{2}$ $f^2$ common from the term
that will give,
$f^{2}$ $f^2$ (4+6-4+9)
therefore,it will give,
15 $f^{2}$ $f^2$

How do you simplify 4f ^ { 2} + 6f ^ { 2} - 4f ^ { 2} + 9f ^ { 2}4f2+6f2−4f2+9f24f ^ { 2} + 6f ^ { 2} - 4f ^ { 2} + 9f ^ { 2}?