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Multiply the single term $-3$ by each term of the polynomial $\left(x^2+7x-2\right)$
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$4\left(x+7\right)^2+6\left(2x-5\right)^2-3x^2+7\cdot -3x-2\cdot -3$
Learn how to solve simplification of algebraic expressions problems step by step online. Simplify the expression 4(x+7)^2+6(2x-5)^2-3(x^2+7x+-2). Multiply the single term -3 by each term of the polynomial \left(x^2+7x-2\right). Multiply 7 times -3. Multiply -2 times -3. Expand \left(2x-5\right)^2.