Қысқаша көбейту формулалары 7-сынып

$$\left(a-b\right)^2=a^2-ab+b^2$$

$$\left(a-b\right)^2=a^2+2ab+b^2$$

$$\left(a-b\right)^2=a^2-2ab+b^2$$

$$\left(a+b\right)^2=a^2+ab+b^2$$

$$a^2-2ax-x^2$$

$$a^2+2ax+x^2$$

$$a^2-2ax+x^2$$

$$a^2+ax+x^2$$

$$49-a^2$$

$$a^2+14a-49$$

$$a^2-14a+49$$

$$a^2-7a+49$$

$$a^2+6ax+9x^2$$

$$a^2+3a^2x+9x^2$$

$$a^4-6a^2x+9x^2$$

$$a^4+6a^2x+9x^2$$

$$-a^2+4ac-4c^2$$

$$a^2-4ac+4c^2$$

$$-a^2-4ac+4c^2$$

$$-a^2-4ac-4c^2$$

$$4a$$

$$2a^2$$

$$6a$$

$$6a^2$$

$$2a^2-6a+9$$

$$4a^2-12a+9$$

$$4a^2+12a-9$$

$$4a^2+12a+9$$

$$9k^2+6k+1$$

$$6k^2+3k-1$$

$$9k^2-6k+1$$

$$9k^2-6k-1$$

$$\left(4a+3\right)^2$$

$$\left(4a-3\right)^2$$

$$\left(2a+3\right)^2$$

$$\left(2a-3\right)^2$$

$$-49a^2+28ax-4x^2$$

$$49a^2-28ax+4x^2$$

$$49a^2+28ax+4x^2$$

$$49a^2-14ax+4x^2$$